Julie Berry

"Now that Maeve Merrit has surrendered Mermeros the djinni she found in a sardine can, she expects her life in London will be dull as dirt. But villains from Maeve's previous escapades are still searching for the djinni, now in the hands of Mr. Poindexter, the adoptive father of Maeve's friend Tommy. When Mr. Poindexter tries to use one of the three wishes, he and Mermeros go missing--and without a guardian, Tom will be forced back to the orphanage....

Seven very proper Victorian young ladies conspire to hide a murder from the authorities at their boarding school.