SKYE and SUMMER TANBERRY are identical twins, and SKYE loves her sister Summer more than anyone else in the world. Marshmallow Skye By Cathy Cassidy. Read a Sample. Sign up to save your library. With an OverDrive account, you can save your favorite libraries for at-a-glance information about availability. Find out more about OverDrive Chocolate Box Girls: Marshmallow Skye (Chocolate Box Girls series) by Cathy Cassidy. SKYE and SUMMER TANBERRY are identical twins, and SKYE loves her sister Summer more than anyone else in the world. They do everything together, but lately Skye's been feeling like second-best - it's the story of her life. Angel Cake · Cathy Cassidy Pack x 8 · The Chocolate Box Girls: Cherry Crush · Dizzy · Driftwood · Ginger Snaps · Indigo PDF [pdf, 20 MB]. Download the Cathy Cassidy Summer Sleepover pack! It's filled with ideas for things to make and do at your sleepover, including strawberry muffins, Viewing PDF files.