Checkmate - Norah Lofts

Her mouth was bleeding, her eyes were red, and her clothes were ripped and muddied. At first he felt desolate... helpless... and then those feelings turned to anger - an anger that blotted out all other emotions - an anger that screamed for revenge...Jenny was just 16, the only child of a father condemned to life in a wheelchair. Tom Penfold felt all the outrage, all the fury that any father would feel if his daughter returned home shocked and shaken after being brutally assaulted. And later, when he found there were special reasons why the police could not be involved, he decided to enforce his own justice - in which the wit and strength of a crippled man was pitted against a vicious youth...