Blyton, Enid. Good old secret seven / Enid Blyton. - London : Hodder Children's Books, 2002. - 122 p. ؛ 22 cm. - Blyton, Enid. Secret seven. . ISBN: 0340796472 Subjects--Topical Terms: Secret Seven (Fictitious characters)--Juvenile fiction. LC Class. No.: PZ7.B629 / go 2002