However, 0 soon realizes there is no more room left for him, until a colony of bumblebees angrily claim the tree, ordering the numbers to leave.

Some of the numbers are shown to have suffered certain injuries from the fall, including 11 being bent up, 8 being cracked, and 6 being twisted.

That manuscript was published by Henry Holt as the title Rock It, Sock It, Number Line.

The book quickly became a best-seller, and is used by teachers throughout the United States to teach counting and place value to young children.

In 2005, Weston Woods Studios made an animated musical short film adaptation of the book.