Share this Page Gregg Olsen 4 Total Resources 2 Books About the Author 1 Personal Website for Gregg Olsen Visit the Blog Share Author Interviews 1 Interview with Gregg Olsen about Envy Created by Union Square & Co. Watch the Video Share Books by Gregg Olsen 2 Sort by Number of Resources Number of Awards Book Title Year Published Word Count Reading Level: ATOS® Reading Level: Lexile® Add Multiple Titles to Reading List Browse books by Gregg Olsen Envy by Gregg Olsen 6 Resources Add to Reading List Share this Book Betrayal by Gregg Olsen 4 Resources Add to Reading List Share this Book Series by Gregg Olsen1 Empty Coffin Series Share this Series Images courtesy of publishers, organizations, and sometimes their Twitter handles.