The Clue in the Papyrus Scroll, Paperback/Gertrude Chandler Warner

In this all-new very special mini-series, the Aldens have been recruited by a secret society to return lost artifacts and treasures to their rightful locations--all around the worldThe Aldens arrive in Egypt but the agent they're supposed to meet has gone missingWith the help of a puzzle in a papyrus scroll, they figure out their next mission--to deliver a tiny ancient pharaoh statue to an archaelogist at the PyramidsAlong the way they outwit a thief who tries to steal all the treasures. Their next mission is to England, to return one of the ``crown jewels of Stonehenge.`` But someone is following themCould it be someone from the powerful Argent family, ruthless antique collectors and bitter rivals of the Silvertons?