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From the New York Times bestselling creators of How to Babysit a Grandma and How to Babysit a Grandpa comes a fun and adorable picture book about h...

When Baby Billy is born with a mustache, his family takes it in stride. They are reassured when he nobly saves the day in imaginary-play sessions a...

When Baby Billy is born with a mustache, his family takes it in stride. They are reassured when he nobly saves the day in imaginary-play sessions a...

When Baby Javier comes for a playdate, Baby Billy, a.k.a. Mustache Baby, feels the need to show him a thing or two, seeing how Javier’s new to town...

In this hilarious sequel to the storytime favorite and hit board book Mustache Baby, a play date goes awry when Baby Billy and his mustache come fa...

BIG NEWS—your family is growing, and it's time to get your firstborn psyched about becoming a big sibling! Organized chronologically, The Big Sibli...