3. BILLIE BRADLEY ON LIGHTHOUSE ISLAND or The Mystery of the Wreck

One of Billie’s friends owned a summer bungalow on Lighthouse Island, near the coast. The school girls made up a party and visited the Island. There was a storm and a wreck, and three little children were washed ashore.

4. BILLIE BRADLEY AND HER CLASSMATES or The Secret of the Locked Tower

Billie and her chums come to the rescue of several little children who had broken through the ice. There is the mystery of a lost invention, and also the dreaded mystery of the locked school tower.

5. BILLIE BRADLEY AT TWIN LAKES or Jolly Schoolgirls Afloat and Ashore

A tale of outdoor adventure in which Billie and her chums have a great variety of adventures. They visit an artists’ colony and there fall in with a strange girl living with an old boatman who abuses her constantly.

6. BILLIE BRADLEY AT TREASURE COVE or The Old Sailor’s Secret

A lively story of school girl doings. How Billie heard of the treasure and how she and her chums went in quest of the same is told in a peculiarly absorbing manner.

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CUPPLES & LEON COMPANY, Publishers NEW YORK