Title: Rye Royal
Description: YA Mystery:  Cousins Jonathan and Penny, their brother David, and their friends Dickie, Mary and Petronella, are spending their Christmas holidays in the old Sussex town of Rye when they find adventure and mystery.  Who burgled elderly Mrs Flowerdew’s home?  Why is a quiet, respectable bookseller so interested in her library?  The teenagers pitch in to solve the mystery.  Published in 1969, and full of the atmosphere of the ancient town.