Carol Bunyan worked for BBC TV for 12 years before becoming a freelance writer and director.

A member of the Voice Box choir, she lives in Witney, which is the setting for her first novel The Choir Mistress (Legend, £7.99), a thriller about a choir driven by their choir mistress’s Machiavellian obsession.

Ms Bunyan, a descendant of John Bunyan, author of The Pilgrim’s Progress, has dedicated her book to the choir, and says none of the characters bear any resemblance to choir member.

The book is available from