Choo-Choo, Peek-A-Boo

Choo-Choo, Peek-A-Boo is a board book.

Plot
Thomas helps Sir Topham Hatt find his seven grandchildren.

Characters

 * Thomas
 * Henry
 * Gordon
 * James
 * Percy
 * Toby
 * Bertie
 * Troublesome Truck
 * Sir Topham Hatt