Boco the Diesel Engine

"Boco the Diesel Engine" is released and published in September 6th, 1944.
 * Henry and The Signal
 * Diesel Takes Charge
 * Henry and Terence
 * Henry's Promise
 * Double Teething Troubles

Characters

 * Thomas
 * Edward
 * Henry
 * Gordon
 * James
 * Percy
 * Toby
 * Duck
 * Diesel
 * Boco
 * Annie and Clarabel
 * Terence
 * Harold
 * Sir Topham Hatt