Henry in the Dark (Engine Adventures)

Henry in the Dark is an upcoming Engine Adventures book.

Characters

 * Thomas
 * Edward
 * Henry
 * Gordon
 * James
 * Percy
 * Emily
 * Salty
 * Porter
 * Victor
 * Kevin
 * Sir Topham Hatt
 * Toby (cameo)
 * Whiff (cameo)
 * Ryan (cameo)
 * Philip (cameo)
 * Stanley (cameo)