The Royal Diaries is a 5-book series first released in 1999 with contributions by Kristiana Gregory, Barry Denenberg, and 2 others.
1999 • 1 Reader • 192 pages • 2
2002 • 11 Readers • 202 pages • 3.6
2000 • 9 Readers • 216 pages • 3
2001 • 6 Readers • 250 pages • 4