The ISBN of The Half Brother is 82-02-20208-6.
The ISBN of My Brother's Road is 1850436355.
The ISBN of Brother Fish is 0-670-04208-0.
The ISBN of The Power of Half is 0547394543.
The ISBN of Steel Brother is 0-812-53552-9.
The ISBN of Brother Odd is 0-553-80480-4.
The ISBN of Brother in the Land is 0-192-71491-0.
The ISBN of Letters to a Young Brother is 978-1592402007.
The ISBN of Second Brother is 0-453-00497-0.
The ISBN of The Dark Half is 978-0670829828.
The ISBN of The Sea is My Brother is 978-0-14-119333-5.
The ISBN of Finn the Half-Great is 9780887769313.
The ISBN of The Half-Made World is 0765325527.