Roman mysteries young adult fiction books x 13 age 9- 13 yea (Causeway End MK43)

The books take place during the ancient Roman Empire during the reign of the Emperor Titus. They detail the adventures of four children who solve mysteries and have adventures in Ostia Antica, Rome, Greece, and beyond: Flavia, a rich Roman girl who lives in Ostia; Nubia, a freed slave girl from Africa; Jonathan, a rich Jewish boy; and Lupus, an orphaned mute beggar boy. 13 out of the 17 books the author has written all in excellent condition.
Collection Wootton oos

       
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