Mandy and the Purple Spotted Hanky(1993)
(A book in the Staple Street Gang series)
A novel by Vivian French
The Staple Street gang - Mandy, Kevin, Kim and Ian - spend their time trying to escape Josie, Mandy's kid sister, and they're always accompanied by a touch of magic. In this book, a handkerchief seems to grant wishes.
March 1995 : UK Paperback
September 1993 : UK Paperback