9781868148561 (paperback)
1868148564 (paperback)
9781868148592 (PDF)
1868148599 (PDF)
9781868148578 (EPUB North America, South America, China)
1868148572 (EPUB North America, South America, China)
9781868148585 (EPUB Rest of the world)
1868148580 (EPUB Rest of the world)