Summer Term at Trebizon — Anne Digby

Join Rebecca and her friends at Trebizon, perfect for fans of Enid Blyton s Malory Towers and St Clare s. Rebecca has never been good at math. If she doesn t improve, she ll go into a different class next year and be separated from Tish and Sue and the rest of her friends, but the new young math teacher is no help at all. Only the excitement of a sponsored surfing competition can distract her. But when the money raised goes missing, can Tish, Sue, and Rebecca solve the mystery? The third exciting book in the classicTrebizonseries."