There are many questions floating around the engine shed in Sir Topham Hatt's train yard. Why is Harold carrying the mail instead of Percy? Why is Bertie carrying Thomas' passengers? Find out the answers to these questions in this adventure.

"Thomas is over the moon when the Earl of Sodor chooses him and friends Percy and James to rebuild Ulfstead Castle. During their latest adventure, the Steam Team meets Millie, a bubbly French engine, and Stephen, an older steam locomotive with fascinating stories to tell. Meanwhile, Spencer and Gordon are stunned when they encounter two new engines, Connor and Caitlin, who are even faster than they are! But disaster strikes when Stephen goes missing."...

The tracks are supposed to be for trains, but today lots of things are keeping all the Really Useful Engines from doing their work.

Percy is involved with some runaway freight cars that cause a near disaster, Harold comes to the aid of troubled Toby, and Henry gets in a "fishy" situation.

"Ho Ho Ho! Thomas is full steam ahead as a Really Useful Reindeer, saving the day by guiding Santa's sleigh straight to the Sodor Christmas celebration! When snowfall transforms the island of Sodor into a winter wonderland, Thomas discovers that being safe is the best route to holiday fun. Percy makes everyone's Christmas wishes come true and Gordon discovers his friends' special skills are the gifts that keep on giving, all year long!"--Container....

This is a collection of thirteen Thomas & Friends adventures.

In Percy's Promise, Percy braves a storm to keep his promis to get the children home from the beach. In Percy Takes the Plunge, Percy disobeys a danger sign and is pushed into the sea.