While You Were Napping

Jenny Offill is the author of 17 Things I’m Not Allowed to Do Anymore, a Parenting Magazine Best Book of the Year and a Bank Street College of Education Best Children’s Book of the Year, and 11 Experiments That Failed, also a Bank Street College of Education Best Children’s Book of the Year, which Kirkus Reviews, in a starred review, called “the most joyful and clever whimsy.”

Barry Blitt’s illustrations frequently appear on the cover of the New Yorker and have also graced the pages of Vanity Fair, the New York Times, Child magazine, and Entertainment Weekly. He is the illustrator of the children’s books George Washington’s Birthday: A Mostly True Tale by Margaret McNamara, The Adventures of Mark Twain by Huckleberry Finn by Robert Burleigh, and Once Upon a Time, The End (Asleep in 60 Seconds) by Geoffrey Kloske.
From the Hardcover edition.

“[Offill’s] channeling of sibling snark is a thing of beauty. Blitt mischievously and masterfully choreographs the neverending festivities [...] His watercolors will reward close-reading visual joke connoisseurs.” — Publishers Weekly starred review

"The brazen over-the-topness leavens the taunting with pure ridiculousness, but there’s still enough bite to make this absolutely hilarious, especially to older sibs." — The Bulletin of the Center for Children's Books starred review

"Offill must’ve had some sibling rivalry as a child, because she knows just how to dole out exquisite torture with an insidious, offhand tone. Blitt makes for the perfect coconspirator, contrasting the kids’ almost-maniacal partying with the napping child’s big-headed, about-to-blubber innocence. Simply brutal! And quite funny." - Booklist 
From the Hardcover edition.