Mary Gehr's most popular book is The Yellow House Mystery with 37 saves and an average rating of 3.8.
Series
131 primary books125 released booksAuthored 0% of series
The Boxcar Children is a 125-book series with 125 released primary works first released in 1924 with contributions by Gertrude Chandler Warner, Shannon Eric Denton, and Charles Tang Gertrude Chandler Warner.