Jen D.

When the Problim children’s ramshackle bungalow in the Swampy Woods goes kaboom, the seven siblings—each born on a different day of the week—have to move into their grandpa’s bizarre old mansion in Lost Cove. No problem! For the Problim children, every problem is a gift!

Eleven-year-old math prodigy Ada Lovelace, daughter of the famous and infamous poet Lord Byron, is a genius. Isolated, awkward and socially inept - but a genius. Mary Godwin, age 14, daughter of radical philosopher William Godwin and feminist writer Mary Wollstonecraft, is a romantic. It has been arranged for Mary and Ada to be tutored by the young man who calls himself Percy B. Snagsby, a nervous fellow who may or may not be a spy.