Henrietta (Engine Adventures)

Henrietta is an upcoming Engine Adventures book.

Characters

 * Thomas
 * Edward
 * Henry
 * Gordon
 * James
 * Percy
 * Toby
 * Emily
 * Hiro
 * Rosie
 * Henrietta
 * Sir Topham Hatt
 * The Quarry Workers
 * Ferdinand (cameo)
 * Gator (cameo)
 * Axel (cameo)

Trivia

 * This book is based off as an eighteenth season episode, Signals Crossed.