Books with title Fiji Flood a Woodland Mystery

What family solves mysteries-has adventure all over the world...and loves oatmeal cookies? It's the Woodlanders! Sammy Westburg (10 years old) His sister Kathy (13) His brother Bill (14) His best friend Dave Briggs (16) His best grown-up friend, Mrs. Tandy and Mop their little dog! The children all lost their parents, but with Mrs. Tandy have made their own family. Why are they called the Woodlanders? Because they live in a big house in the Bluff Lake woods. On Woodland Street! Together they find fun, mystery, and adventure. What are they up to now? Read on!