My Father's Dragon Series by Ruth Stiles Gannett

Elmer Elevator (narrator's father as a boy) runs away with an old alley cat to rescue a flying baby dragon being exploited on a faraway island. With the help of two dozen pink lollipops, rubber bands, chewing gum, and a fine-toothed comb, Elmer disarms the fiercest of beasts on Wild Island.

In this sequel to My Father's Dragon. Elmer and Boris's island hopping adventures continue.

The third volume of the  My Father's Dragon trilogy, this adventure may be enjoyed on its own. Here, the baby dragon summons Elmer to help save his family from hunters. "Elmer's plan is ingenious and plausible, the fantasy well-sustained."--(starred) Library Journal.

A compilation of three tales which relate the fantastic adventures of Elmer Elevator and a baby flying dragon named Boris.