The ISBN of The Showgirl Princess is 9780141383194.
The ISBN of The Constant Princess is 074327248X.
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 The Umbrella Academy is 978-1-59582-345-8.
The ISBN of Nightmare Academy is 978-0-8499-7617-9.
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.