Warner, Gertrude Chandler
Summary: The Aldens visit Grandfather's friend at the Ogopogo Retreat and aided by puzzling clues, embark on a treasure hunt to prevent the retreat from being sold.
Format: text
Publisher / Publication Date: Albert Whitman & Co. 2006
Copies Available at Woodmere
1 available in Juvenile Fiction Series, Call number: J FIC WARchat loading...