#1 of 2 in The Radiant Emperor
#1 of 2 in Rowan & Neil
#1 of 3 in The Winternight Trilogy
#1 of 2 in Monsters of Verity
#1 of 1 in The Ravence Trilogy
#1 of 3 in The Secret Scientists of London
#1 of 3 in The Tiger at Midnight Trilogy
#1 of 2 in The Cemetery of Forgotten Books
#1 of 2 in A Song of Wraiths and Ruin