Fold 1 First Reader
Tab the CatA tabby has an M up top!
Six books about one animal. Each fold goes deeper than the one before, and every fact in all six comes from the same fact bank.
One researched subject, six reading depths. Each step retains the scope of its sources. Drag the slider to read all six versions, word for word from the books, then try another fact.
Fold 1 First Reader
Tab the CatA tabby has an M up top!
Fold 2 Read Together
Hello, Tabby!A tabby has an M on its forehead, like a name tag!
Fold 3 Early Reader
Tabby Cats: Stripes, Swirls and a Letter MA tabby has an M on top of its face. Like a name tag, it can not come off!
Fold 4 Explorer
Tabby Cats: The Secret of the StripesTabby cats wear a dark letter M on their foreheads, drawn right in their fur. The M works like a name tag the cat never takes off. Striped, swirled or spotted, every tabby has one. So the M tells you the pattern, even before you see the rest of the cat.
Fold 5 Field Guide
Tabby Cats: A Field Guide to Coat PatternsTabby cats wear a dark letter M on their foreheads, drawn right in their fur, like a name tag they never take off. Every tabby pattern shows it.
Fold 6 Deep Dive
Tabby Cats, Unfolded: The Science of a Striped CoatTabby cats wear a dark letter M on their foreheads, drawn right in their fur, like a name tag they never take off.3
Fold 1 First Reader
Tab the CatTab the cat has stripes!
Fold 2 Read Together
Hello, Tabby!A mackerel tabby has thin stripes down its sides. Its legs and tail wear rings, like bracelets. Its chest wears necklaces!
Fold 3 Early Reader
Tabby Cats: Stripes, Swirls and a Letter MA mackerel tabby cat has thin stripes down its sides. It has rings on its legs and tail. Its chest has stripes, like a necklace!
Fold 4 Explorer
Tabby Cats: The Secret of the StripesA mackerel tabby has thin stripes down its sides, like a striped sweater. Rings circle its legs and tail like bracelets, and dark stripes cross its chest like necklaces. On some cats the lines look crisp, and on others they look a little fuzzy.
Fold 5 Field Guide
Tabby Cats: A Field Guide to Coat PatternsA mackerel tabby has thin stripes down its sides, rings around its legs and tail, and striped necklaces across its chest. The whole coat looks like a striped sweater with bracelets to match.
Fold 6 Deep Dive
Tabby Cats, Unfolded: The Science of a Striped CoatA mackerel tabby has thin stripes down its sides, rings around its legs and tail, and striped necklaces across its chest, as if the cat were dressed in a striped sweater with bracelets to match.13
Fold 1 First Reader
Tab the CatSome tabby cats have swirls!
Fold 2 Read Together
Hello, Tabby!Change one gene, and thin tabby stripes become big swirls. That is a classic tabby, with a round bullseye on each side!
Fold 3 Early Reader
Tabby Cats: Stripes, Swirls and a Letter MChange one gene, and thin stripes get big and swirl! A tabby cat with swirls is a classic tabby.
Fold 4 Explorer
Tabby Cats: The Secret of the StripesChange just one gene, and a tabby cat's thin stripes turn into big swirls. On each side of the cat sits a large dark blotch circled by rings, like a bullseye. This swirly cat is called a classic tabby, or a blotched tabby.
Fold 5 Field Guide
Tabby Cats: A Field Guide to Coat PatternsChange just one gene, and a tabby's thin stripes turn into big swirls, with a round blotch circled by rings on each side, like a bullseye. That is a classic tabby, and the gene is called Taqpep.
Fold 6 Deep Dive
Tabby Cats, Unfolded: The Science of a Striped CoatChange just one gene, called Taqpep, and a tabby cat's thin stripes turn into big swirls, with a round blotch circled by rings on each side, like a bullseye. That is a classic tabby.22
Fold 1 First Reader
Tab the CatThe big cat is a rare king cheetah. The same gene that shapes a classic tabby’s swirls gives the king cheetah its coat, whose spots join into blotches and stripes.
Fold 2 Read Together
Hello, Tabby!The rare king cheetah shares a coat gene with tabby cats! Its spots join into stripes and blotches.
Fold 3 Early Reader
Tabby Cats: Stripes, Swirls and a Letter MThe rare king cheetah has the tabby cat swirl gene! Its spots run into big blots and stripes.
Fold 4 Explorer
Tabby Cats: The Secret of the StripesThe king cheetah is a rare cheetah with an amazing coat. Its spots join into big blotches, with dark stripes along its back. The very gene that gives a classic tabby its swirls also gives the king cheetah this coat. Wild king cheetahs have been seen in only one small part of Africa.
Fold 5 Field Guide
Tabby Cats: A Field Guide to Coat PatternsThe king cheetah is a rare cheetah whose spots join into stripes and blotches. The very gene that turns a tabby's stripes into swirls also gives the king cheetah its coat.
Fold 6 Deep Dive
Tabby Cats, Unfolded: The Science of a Striped CoatThe very gene that makes a classic tabby's swirls also gives the rare king cheetah its coat, with spots that join into stripes and blotches.37
Fold 1 First Reader
Tab the CatA tabby kit gets big. Its stripes get big!
Fold 2 Read Together
Hello, Tabby!A tabby kitten's stripe map is set in its skin before birth. Not one hair has grown yet!
Fold 3 Early Reader
Tabby Cats: Stripes, Swirls and a Letter MA tabby kitten's stripes begin in its skin. They are set while it is still inside its mom. It has no fluff yet!
Fold 4 Explorer
Tabby Cats: The Secret of the StripesA tabby kitten's stripe pattern is laid out in its skin before it is born. Even before a single hair has grown, the skin has thick and thin zones. The thick zones mark where dark fur will grow later. It is like a map drawn before the town is built.
Fold 5 Field Guide
Tabby Cats: A Field Guide to Coat PatternsA tabby kitten's stripe pattern is laid out in its skin before it is born, even before a single hair has grown.
Fold 6 Deep Dive
Tabby Cats, Unfolded: The Science of a Striped CoatA tabby kitten's stripe pattern is laid out in its skin before it is born, even before a single hair has grown.47
Fold 1 First Reader
Tab the CatSit. Let a cat come to you.
Fold 2 Read Together
Hello, Tabby!Want to say hello to a tabby? Sit quietly nearby. Let the cat choose to come to you.
Fold 3 Early Reader
Tabby Cats: Stripes, Swirls and a Letter MSome tabby cats like hugs. Some like to sit next to you, not on you. So sit still, and let the cat come to you.
Fold 4 Explorer
Tabby Cats: The Secret of the StripesSome tabbies love cuddles and some like more space. Every cat is different. So sit quietly nearby, low and still, and let the cat choose to come to you. A cat that walks over on its own is saying hello in its own way.
Fold 5 Field Guide
Tabby Cats: A Field Guide to Coat PatternsSome tabbies love cuddles and some like more space, so sit quietly nearby and let the cat choose to come to you.
Fold 6 Deep Dive
Tabby Cats, Unfolded: The Science of a Striped CoatCats differ in how much contact they like, and tabby cats are no exception: some love cuddles and some like more space. So sit quietly nearby and let the cat choose to come to you.70






The fact behind it: Tabby cats have dark forehead markings shaped like the letter M. 3 published sources
The fact behind it: A mackerel tabby has narrow stripes running down its sides, rings (bracelets) on its legs and tail, and stripe "necklaces" on its chest. 3 published sources
The facts behind it: A classic (blotched) tabby has wide swirls, with a large blotch circled by rings on each side, like a bullseye. A change in one gene, Taqpep, turns mackerel stripes into blotched swirls. 4 published sources
The fact behind it: The same gene gives the rare king cheetah its coat, whose spots join into blotches and stripes. 4 published sources
The fact behind it: A tabby's stripe pattern is laid out in the skin before it is born, before any hair grows. 2 published sources
The fact behind it: Let a cat choose to come to you; cats vary in how much contact they like. 1 published source
Fold 1 · First Reader · Tide pool
Tab is a tabby cat with an M on its head, like a name tag it never takes off. Meet stripes and leg bands, tabby cats with swirls, a big cat with spots and blots, and a striped kit that grows up. Then sit, and see if Tab comes to you. A first book to read alone, with four pictured Story Words: tabby, M, stripes and swirls.
Fold 2 · Read Together · Sunlit shallows
Why does a tabby cat wear a letter M? How does it get its stripes? Read along with Mila and Omar to meet a striped coat with bracelets and necklaces, one gene that turns stripes into swirls, the rare king cheetah and a kitten striped before its fur grows. Then learn the gentlest way to say hello. Notes at the back explain the fact behind each picture.
Fold 3 · Early Reader · Coral reef
How does a tabby cat get its stripes? Find the M on its face, a striped top with a necklace, swirls like a bullseye, a rare king cheetah with the same gene, and a kitten whose stripes are set before it has fluff. Short sentences, big pictures and five pictured words help children who are ready to read on their own. Includes a quick quiz with answers.
Fold 4 · Explorer · Kelp forest
Why does every tabby cat wear a letter M on its forehead? How can one gene turn thin stripes into big swirls, and what does a rare king cheetah have to do with it? Five chapters explore striped outfits, wild ancestors, a stripe map drawn before birth and how to make friends with a cat, with Wow! boxes, questions from Mila and Omar, a quiz and a glossary.
Fold 5 · Field Guide · Open ocean
A field guide to the tabby, the striped cat curled up in homes all over the world. Learn to tell mackerel, classic, spotted, ticked and patched tabbies apart, starting with the dark M on every tabby's forehead. Find out how one gene turns stripes into swirls and gives the rare king cheetah its coat, how a stripe map is drawn in the skin before birth, and how to say hello to a cat on its own terms.
Fold 6 · Deep Dive · The deep
A letter M on the forehead, a striped sweater with bracelets, swirls with a bullseye on each side. Follow the everyday tabby into the evidence: the wildcat that wore the first stripes, the gene that turns stripes into swirls and gives the rare king cheetah its coat, the medieval rise of the classic tabby, and a stripe map drawn in the skin before birth. Then meet the cat inside the coat, and learn why the best way to say hello is to let it choose.
First edition, 2026. Printed on demand as premium-color paperbacks; ISBNs are assigned when the books are listed. See every fact they use