Helen Plum Library

Twelve-year-old Aru stretches the truth to fit in at her private school, but when she is dared to prove an ancient lamp is cursed, she inadvertently frees an ancient demon

When the guardians of the Copernicus legacy are targeted for assassination by the evil Galina Krause, Wade, Darrell, Lily, and Becca must find the remaining relics to defeat their enemies

Alex and Ren must confront the Death Walkers, The Order, and an army of the dead in an attempt to save themselves, Alex's mother, and the world--and hope that Ammit, the Devourer of Egyptian legend, will be able to separate the guilty from the innocent

In May 1929 Maxine Campbell and her cousin William Battersea arrive at their grandfather's house in New Jersey to find that the house is empty--and soon they are caught up in the contest for an ancient Arabian relic called the Eye of Midnight, which several secret societies are willing to do anything to posses

After twelve-year-old Addison Cooke's uncle unearths ancient Incan secrets in Peru, he is kidnapped by a shadowy organization intent on stealing the treasure unless Addison and his friends can decipher the clues first

The Jannah Jewels travel back in time to the once beautiful city of Aleppo in Syria. There, they meet Queen Dayfa Khatun, a loved and pious ruler, who took great care of her people and was an advocate of learning. Can the Jannah Jewels solve the clues to find the 9th artifact in Aleppo before time runs out?

"It's been two months since the Kaplan family hunted down the Serpens relic, but when the evil Galina Krause suddenly and violently reappears, Wade, Darrell, Lily, and Becca have no choice but to face her again. Now they must race to find an artifact said to be crafted by Leonardo da Vinci himself--perhaps the strangest Guardian of all. Along the way, they uncover another layer to Galina's sinister endgame . . . and there might not be enough time...

The Jannah Jewels travel back in time to Natchez, Mississippi. There, they meet Prince Ibrahima Abdur Rahman, a West African prince who was captured and lived most of his life as a slave in America. Can the Jannah Jewels solve the clues to find the missing artifact in Natchez before time runs out?

When the storied Staff of Moses responsible for summoning the plagues of ancient Egypt vanishes from the museum in Perilous Falls, Will Wilder is suspect number one. As the river runs with blood, sharp-toothed frogs surround his home, and clouds of swarming gnats choke the streets, Will must rely on his supernatural ability, everything he learned from his training, and help from his friends, siblings, and Great-Aunt Lucille to find the missing staff...

Following clues provided by the secretive Reddimus Society, the four Alden siblings travel to a dingo sanctuary in Australia and to Shakleton's hut in Antarctica to deliver the fifth and sixth artifacts, and then they work to unmask the traitor traveling with them