Iggy is delighted when Ada Twist's Aunt Bernice inherits a mansion featuring his favorite architectural periods, but unless the Questioneers can find its missing antiques, the house may be lost forever.

Meg goes to Maker School to hone her talent for building with boxes, but when Simone, another boxitect, arrives they become so competitive they nearly fail in the annual Maker Match.

"Evan and Jessie Treski have waged a lemonade war, sought justice in a class trial, unmasked a bell thief, and created a professional magic show. Yet for all their skills and talents, both find themselves being singled out this summer for reasons beyond their control. Natural-born leader Evan, who is always good at making new friends , discovers he is at the mercy of a bully on the summer school playground, and is pressured to act in a way he never...

Relates events in the childhood of architect Secundino Fernandez, who left his beloved Havana, Cuba, with his parents, first to spend a year in Spain, and later to move to New York City.