Surprise Island (book # 2 of the boxcar children series)

Surprise Island by Gertrude Chandler Warner was first published in1949. It is written in third person.

Then main characters in this book are:

Henry who is 15
Jessie who is 12
Violet who is 10
and Benny who is 6

The children are glad to hear that they are going to be going on a wonderful adventure. They sail out to an island that their grandfather owns and stay there for the summer. As they stay there more and more they find that there is a mystery involved. There is a mysterious handyman on the island and they decide to find out who he is!