The ISBN of Princess Academy is 1582349932.
The ISBN of The Constant Princess is 074327248X.
The ISBN of The Showgirl Princess is 9780141383194.
The ISBN of The Tin Princess is 978-0439977791.
The ISBN of STAR Academy - novel - is 9780385667067.
The ISBN of The Princess of Dhagabad is 1-928746-07-1.
The ISBN of Princess of Gossip is 1-4165-7065-9.
The ISBN of The Princess Bride is 0-345-41826-3.
The ISBN of Nightmare Academy is 978-0-8499-7617-9.
The ISBN of The Umbrella Academy is 978-1-59582-345-8.
The ISBN of The Princess Diaries - novel - is 0-380-81402-1.
The ISBN of The Paper Bag Princess is 0-920-23616-2.
The Princess Academy was created in 1987-04.