Silver Gate Series by Penn Shirley

Published by Lee and Shepard
Young Master Kirke (Copyright 1895) - First edition only lists itself in the series
The Merry Five (Copyright 1896) - First edition only lists two titles in the series
Happy Six (Copyright 1897)  

Reprinted numerous times by Lothrop, Lee and Shepard.

Cloth. Various colors seen. Front cover pictures a boy and a girl. Five full page illustrations by Hooper. 6.5" x 5".