The ISBN of Half Asleep in Frog Pajamas is 0-553-07625-6.
The ISBN of Who Will Run the Frog Hospital? is 978-1-4000-3382-9.
The ISBN of The Power of Half is 0547394543.
The ISBN of The Dark Half is 978-0670829828.
The ISBN of Venus on the Half-Shell is 0440361494.
The ISBN of Finn the Half-Great is 9780887769313.
The ISBN of The Half-Made World is 0765325527.
The ISBN of Half a Life - memoir - is 0812982533.
The ISBN of Half of a Yellow Sun is 9780007200283.
The ISBN of The Half Brother is 82-02-20208-6.
The ISBN of Half in Shadow is 0-87054-081-5.
The ISBN of Half Past Human is 0-345-02306-4.
ISBN-13: 9780439784542