#1 of 3 in Detective Sergeant Adam Tyler
Planned book #1 of 6 in His Lordship’s Mysteries
#1 of 3 in Reykjavík Noir Trilogy
#2 of 2 in His Lordship’s Mysteries
#1 of 2 in A Sister Holiday Mystery
#1 of 1 in Threads of Power
#1 of 9 in Percy Jackson and the Olympians
#6 of 9 in Percy Jackson and the Olympians
#8 of 4 in Heaven Official's Blessing: Tian Guan Ci Fu (Novel)
#1 of 3 in Instinct
#2 of 3 in Instinct
#3 of 3 in Instinct
#2 of 2 in The Doomsday Books
#1 of 2 in Horowitz's Holmes
Planned book #2 of 2 in Modern Divination
#1 of 2 in Alex Wise
#1 of 1 in Deephaven Mystery