On the contrary, Miss Elting and her young charges attached more
serious meaning to the performances of the man who had regarded them
through green goggles. They regarded the incident with suspicion and
agreed to proceed only with the utmost caution.

None of the readers of this series need an introduction to Harriet
Burrell and her three friends, who figured so prominently in "THE
MEADOW-BROOK GIRLS UNDER CANVAS." It was in this narrative that the
four chums made their first expedition into the Pocono woods and for
several happy weeks were members of Camp Wau-Wau, a campfire
association of which the girls became loyal members. At the end of
their stay in camp they decided to walk to their home town, sending
their camping outfit on ahead.

The story of their journey home on foot was told in the second volume,
"THE MEADOW-BROOK GIRLS ACROSS COUNTRY," in which an Italian and his
dancing bear, a campful of gipsies and a band of marauding tramps
furnished much of the excitement. Then, too, the friendly aid and
rivalries of a camp of boys known as the Tramp Club furnished many
enjoyable situations.

It was in the third volume, "THE MEADOW-BROOK GIRLS AFLOAT," that
Harriet Burrell and her friends were shown as encountering a
considerable amount of adventure. The girls led an eventful life on
the old houseboat on one of the New Hampshire lakes, and also
encountered a mystery which, with the help of the Tramp Club, was run
to earth, but the solving of it entailed the loss of the "Red Rover,"
their houseboat.

And now the Meadow-Brook Girls were about to spend a few weeks among