The ISBN of Two for the Lions is 0099515261.
The ISBN of The Young Lions is 0226751295.
The ISBN of The Lions of Lucerne - novel - is 0743436741.
The ISBN of The Lions of Al-Rassan is 0061052175.
The ISBN of Lions in the Street is 0-841-50235-8.
The ISBN of Lie Down with Lions is 978-0-451-16350-9.
The ISBN of Two to Conquer is 0879975407.
The ISBN of Two Caravans is 0670916374.
The ISBN of Two Frogs is 978-0224064743.
The ISBN of The Two of Them is 0-399-12149-8.
The ISBN of Two Old Women is 9780704344242.
The ISBN of The Two Pearls of Wisdom is 9780732288006.
The ISBN of The Two Faces of January is 0871132095.