The lanes are lined with cow parsley and the trees are heavy with blossom and Wills HQ has been a hive of activity. I've spent the last couple of months locked away writing the fifth Riverdale book (with the unimaginative working title Book Five). The first draft is almost finished and I'm hoping it will be out in time for the summer holidays. Poppy and Cloud are back at Riverdale for their latest adventure. During a ride on the moor they discover a tumbledown cottage full of