Grandma Cadbury's Bikie Gang - Bluegum Author:Dianne Bates By the author of "Grandma Cadbury's Trucking Tales" and "Grandma Cadbury's Safari Tours", this story is about Grandma Cadbury now owning a Harley Davidson motorcycle. Blitzing along the highway, Cadbury and his Gran are soon on their way to adventures like a tangle with a pack of big, bad bikies.