Help, Derailed!

Help, Derailed! is a German book, illustrated using photographs from the television series.

Plot
One day, Ben needs new buffers. Bill also wants some new buffers, but his old ones are still fully functional. This leads to conflict between the twins.

Characters

 * Bill and Ben
 * Sir Topham Hatt

Trivia

 * This book is based on the sixth season episode, Buffer Bother.