Series:

Ultimate Ending

8 primary works

Book 1

Cover of Treasures of the Forgotten City

Book 2

Cover of The House on Hollow Hill

Book 3

Cover of The Ship at the Edge of Time

Book 4

Cover of Enigma at the Greensboro Zoo

Book 5

Cover of The Secret of the Aurora Hotel

Book 6

Cover of The Strange Physics of the Heidelberg Laboratory

Book 8

Cover of Sabotage in the Sundered Sky

Book 10

Cover of Mystery in the Murky Deep