Contains four Thomas the Tank Engine stories including the title work in which Diesel, a newcomer to the yard, spreads hateful stories about Duck, the steam engine, but truth wins the day.
Contains three Thomas the Tank Engine stories in which Gordon crashes through the wall of Sir Topham Hatt's new station; Toby gets washed downstream by a flood; and Oliver's brakevan goes out of control.
Using the jargon of the railroad, describes how cars are added onto or detached from a train, how various cargoes are loaded and unloaded, how tracks are switched, and how numerous other services are performed by conductor and brakeman.