L. Frank Baum 
Master Key 

Young Rob Joslyn loves experimenting with electricity. One day, when trying to light-up a little cardboard house, he haphazardly connects different wires trying to get the right combination. With a bang and a flash, a mysterious creature called the Daemon of Electricity appears. Rob has inadvertently summoned him through his electrical wires. The Daemon informs Rob that he is entitled to three wishes each week for the next three weeks. There are lots of magical adventures in store for Rob in this captivating children’s book by popular author L. Frank Baum.-