For the new girl Darrell Rivers, there are friends to be made, confusions to be played, and fun to be had at Malory Towers, in Enid Blyton's most beloved school novels series. In the ninth book, Susan is responsible for the winter concert, but the new teacher, Miss Talant, doesn't let her make any decisions. When the teacher intervenes at a nighttime party, the girls realize there is a spy among them. Expect more drama at Malory Towers!

From 1946 to 1951, Enid Blyton wrote six novels set at Malory Towers. Books 7-12 are authorized sequels to the series written by Pamela Cox in 2009, focusing on the adventures of Felicity Rivers, Susan Blake, and June Jones. This edition is without illustrations.