130 books • 8 series
Book #5: Trail Boss
Book #5: Danny Orlis and the Mystery at Smuggler's Point
Book #6: Danny Orlis and the School Computer Break-In
Book #7: Danny Orlis and the Mysterious Neighbor
Book #9: Danny Orlis Makes the Team
Book #10: Danny Orlis and the Mystery of the Wrecked Plane
Book #1: Danny Orlis No. 1
Book #2: Danny Orlis No. 2
Book #3: Danny Orlis No. 3
Book #4: Danny Orlis No. 4
Book #5: Danny Orlis No. 5
Book #9: Mount to the Sky Like Eagles