Cliff Rosney
Cliff Rosney's most popular book is The Usborne Science Encyclopedia with 1 save and an average rating of -.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
8 released booksAuthored 11% of series
Usborne Encyclopedias
Usborne Encyclopedias is a 8-book series with 8 released primary works first released in 1988 with contributions by Kirsteen Rogers, Laura Howell, and Cliff Rosney.
