The ISBN of Past Imperfect is 0756400120.
boogers and pyramids
The ISBN of Days of Future Past is 0871355825.
The ISBN of Past Reason Hated is 0330491628.
The ISBN of The Chronology of Ancient Kingdoms is 978-0766186835.
The ISBN of What Did the Ancient Israelites Eat? is 978-0802862983.
The ISBN of Past Continuous is 0-8276-0239-1.
The ISBN of Rethinking India's Past is 978-0195697872.
The ISBN of Seven Ancient Wonders is 1-4050-3692-3.
The ISBN of The Ancient Economy - book - is 0-520-02436-2.
The ISBN of Half Past Human is 0-345-02306-4.
The ISBN of Four Past Midnight is 978-0-670-83538-6.