The ISBN of Mark of the Lion Series is 0-8423-7750-6.
Mark of the Lion Series has 520 pages.
The ISBN of The Lion Children is 1842552201.
The ISBN of Lion of Senet is 0732275121.
The ISBN of Lion of Ireland is 9780395285886.
The ISBN of Library Lion is 978-0763622626.
The ISBN of Lion's Blood is 978-0446526685.
The ISBN of American Lion - book - is 1400063256.
The ISBN of The Lion Wakes is 978-0-00-733791-0.
The ISBN of Mumsi Meets a Lion is 1-591-66871-9.
The ISBN of The Piratica Series is 0525473246.
The ISBN of The Unicorn Series is 0812539389.
The ISBN of Transitions - novel series - is 0786943408.