"Barbara Erskine has been mesmerising readers for decades, combining her historical expertise with a hint of the supernatural to create dual timeline mysteries," said a spokesperson for Rossiter Books. Mrs Erskine will appear in Grange Court, Leominster on August 5 and in St Mary's Church, Ross on Wye on August 7. "Join Barbara for an evening celebrating her brand new timeslip novel, The Valley of Ravens," the spokesperson added. "Barbara Erskine has been a fantastic local author for Rossiter Books, visiting the shops regularly to give talks on her books over many years," said Rossiter Books' event manager, Carol Bloomfield. "The Rossiter Books team enjoy a special relationship with bestselling author Barbara Erskine.