Roy MacGregor
Roy MacGregor's most popular book is Original Highways: Travelling the Great Rivers of Canada with 4 saves.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
26 primary books21 released booksAuthored 100% of series
Screech Owls
Screech Owls is a 21-book series with 26 released primary works first released in 1990 with contributions by Roy MacGregor.
