Jonathan"s efforts to keep his apartment clean are foiled when a subway unexpectedly stops in and unloads thousands of passengers. Jonathan sets out on a surprising adventure to solve this curious problem. About the Annikin Series: Annikins are mini books made especially for children -- small enough to fit into tiny hands and pockets. Each book measures 3 1/2" x 3 1/2" and contains full color pages. Individual titles available in quantities of 20s only.