Items with "Collis, Len" as Credited Author
Rupert and the Haunted House (1 edition)Rupert and the Miser's Hoard (1 edition)
Rupert and the Mystery Moor (1 edition)
Rupert and the Pirates' Den (1 edition)
Rupert and the Secret Trail (1 edition)
Rupert and the Secret Treasure (1 edition)
Rupert and the Seven Keys (1 edition)
Rupert and the Smuggler's Gold (1 edition)