Wrong Twin
Author: first_name:  Harry Leon
last_name: Wilson
Language: English
Year: 1921

With their father Dave, a classic rolling stone, out on the road, twins Merle and Wilbur lead a haphazard life.  But at least they have each other.  That is, until the Whipples, the richest family in town, decide to adopt one of the boys. - Summary by Mark Leder