Gregory Koukl has written at least 12 books. Their most popular book is Tactics with 17 saves with an average rating of 4⭐.
They are best known for writing in the genres Fantasy and Adventure.
2009 • 17 Readers • 210 pages • 4
3 Readers • 208 pages
2019 • 2 Readers • 288 pages • 3
2000 • 1 Reader
1999 • 1 Reader
2023 • 1 Reader
1998 • 1 Reader
2000 • 1 Reader • 4
1 Reader
2017
2020 • 176 pages
2017 • 111 pages