The Day 7 Ate 9 (Paperback) (ISBN-13: 9798869196262)

One and Two are feeling blue. One and Two need something to do.

After they track down some of their number pals, things seem to be looking up. But when Ten shocks the group with a terrible tale, the friends must go on a trek to discover the truth about what really happened.

Inspired by the classic dad joke, Why was 10 scared of 7?, this silly story will have your child smiling from ear to ear thanks to its fun rhymes, bright colors, and cast of cute characters.