Robert Heller
Robert Heller has written at least 5 books. Their most popular book is Essential Manager's Manual with 2 saves with an average rating of 2⭐.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
5 released booksAuthored 60% of series
DK Essential Managers
DK Essential Managers is a 5-book series with 5 released primary works first released in 1998 with contributions by Robert Heller, Roy Johnson, and John P. Eaton.
