
You are Rob Joslyn, whose messy electrical tinkering in the attic actually completes a circuit and summons the Demon of Electricity, bound by an old law to grant you three gifts a week for three weeks. The first delivery is a tablet that replaces food, a stun-tube for emergencies, and a wristband that flies. You test the last one in the backyard while your parents shout for you to come down, and rise instead, turning east over the rooftops.
Read The Master Key