The book is called Codex Silenda designed by Brady Whitney. The book have five page book that features five tricky puzzles. Each page features a unique puzzle that has to be solved to unlock the next page.
Matthew Carroll started to note all of the funny things his toddler daughter was saying. He found them really amusing and five years later there were enough of such sayings to put together a book. He called it "Can I Sit On Your Lap While You're Pooping?" Here are some of the funny bits: