When the Birdies Came to Tea: Lake Tahoe Special Edition

A delightful about two sisters who are the same age one week every year, celebrating their birthdays in an unusual way.
Nana has planned a tea party and little Katie is absolutely certain a terrible calamity is about to befall her and her unsuspecting, Susannnah.
Will Nana and Papa be able confused Katie as she tries to discover the Cavendish brother's caper before they ruin the birthday tea party?
Nana seems to know but she isn't telling.
Why?
Join the two oldest Blake sisters on the first summer adventure at their grandparents's Lake Tahoe, California cabin.
This series of stories takes place between 1959- 1969 during the four seasons of the year.