The ISBN of The Last Burden is 0-14-023625-2.
The ISBN of The Last Olympian is 9781423101475.
The ISBN of The Last of the Nuba is 0312136420.
The ISBN of The Last Boleyn is 0307237907.
The ISBN of The Last Mafioso is 0812909550.
The ISBN of The Last Wizard is 0330356003.
The ISBN of The Last Patriot is 141654383X.
The ISBN-10 of The Last Mughal is 1400078334. The ISBN-13 is 978-1400078332.
The ISBN of The Last Dragonslayer is 978-1444707175.
The ISBN of The Last Castaways is 978-0141314617.
The ISBN of The Last Wolf is 978-0385602228.
The ISBN of The Last Canadian is 978-0770100872.
The Last Burden has 432 pages.