In the first volume of this series the girls went on a camping and
tramping tour, tramping for miles over the country and meeting with many
adventures on the way.

Later they had more fun at Rainbow Lake, in a motor car, in a winter camp,
in Florida, at Ocean View, then at Pine Island where the girls and boys
together had cleared up a mystery surrounding a gypsy cave.

Later the girls and boys found themselves caught in the meshes of the
great war, as many hundreds of thousands of others had been. The boys
responded eagerly to the bugle call, and the girls, too, were eager for
Army service and finally went to a hostess house at Camp Liberty. Though
the girls had never worked harder in their lives, they found that the task
had a stirringly romantic side as well.

Then in the volume directly preceding this, entitled "The Outdoor Girls at
Bluff Point" the girls had had perhaps the most exciting adventure of all.

The Hostess House at Camp Liberty having burnt down, the chums found
themselves forced to take a much-needed, although not entirely welcome,
vacation and had decided to spend it at a romantic spot near the ocean
called Bluff Point. The cottage on the bluff had been loaned to the girls
by Grace's patriotic Aunt Mary, who declared that she owed something to
the chums for having worked so hard for the good old Stars and Stripes.
Mrs. Ford, worn out with war work, had gone with the girls to chaperon
them.

Bad tidings at first threatened to overwhelm the chums. The Fords received
word that Will was seriously wounded "somewhere in France" and later