For new girl Darrell Rivers, there are friends to be made, pranks to be played and fun to be had at Malory Towers in Enid Blyton's best-loved boarding school series. In book three, there are lots of new students, including sophisticated Zerelda from America. This year, not only the girls face challenges - Bill's poor horse, Thunder, suffers from collic. Will Zerelda and Darrell become friends, and will Thunder survive? There's more drama at Malory Towers! Between 1946 and 1951, Enid Blyton wrote six novels set at Malory Towers. This edition features the original text and is unillustrated.