#1 of 4 in Science of Discworld
#2 of 4 in Science of Discworld
#3 of 4 in Science of Discworld
#1 of 4 in Green Knowe
#0 of 6 in Oxford Tearoom Mysteries
#3 of 6 in Oxford Tearoom Mysteries
#4 of 2 in A Riveting Haunted House Mystery
#1 of 1 in Pluto's Snitch