|buy=Yes
|borrow=Yes
|format=Paperback
|pages=272
|publisher=Orion
If the issues surrounding genetics and evolution interest them, they'll also enjoy Brindley's previous novel [[The Rule of Claw by John Brindley|The Rule of Claw]] and [[Escape from Genopolis by T E Berry-Hart]]. Slightly older children could look at [[The Inferior by Peadar ó Guilín]].
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