Rebec­ca Rubin’s neigh­bor, Mr. Rossi, is injured and can’t work as the apart­ment build­ing super so Rebec­ca helps Mr. Sil­ver, who is down on his luck, become the sub­sti­tute until Mr. Rossi is bet­ter. Soon, peo­ple in the build­ing dis­cov­er that valu­able pos­ses­sions are miss­ing. This always seems to hap­pen soon after Rebecca’s cousin Josef has been in their apart­ments. What’s more, one of Mr. Rossi’s pigeons deliv­ers a mes­sage warn­ing of dan­ger. Rebec­ca doesn’t believe that Josef could pos­si­bly be a thief, and she and her friend Sadie inves­ti­gate. Har­ry Hou­di­ni and an eerie for­tuneteller appear in this enjoy­able his­tor­i­cal mys­tery, part of the Rebec­ca Rubin, Amer­i­can Girl series.