Motor Boat Boys Down the Danube (Esprios Classics) : or, Four Chums Abroad

The Motor Boat Boys, by Louis Arundel, is a series of adventure books for boys, published by M.

A. Donohue and Co., Chicago, Illinois, from 1912 through 1915.

The series featured six teen-aged boys of the Motor Boat Club, and their adventures on various waterways.

Titles in the series are: Motor Boat Boys' Mississippi Cruise; or The Dash for Dixie (1912), Motor Boat Boys on the Great Lakes; or Exploring the Mystic Isle of Mackinac (1912), Motor Boat Boys on the St.

Lawrence River; or Adventures Among the Thousand Islands (1912),Motor Boat Boys Among the Florida Keys; or The Struggle for the Leadership (1913). Motor Boat Boys Down the Coast; or Through Storm and Stress to Florida (1913), Motor Boat Boys' River Chase; or Six Chums Afloat and Ashore (1914) and Motor Boat Boys Down the Danube; or Four Chums Abroad (1915).