A Mail of the Month is chosen by the editorial staff that wins a £50 book voucher for books by technology publisher O'Reilly.

All students receive a certificate, and prizewinners are awarded an additional monetary sum or book voucher.

I received a free book voucher about 10 years ago for sending travel information to LP.

We're celebrating the joys of traditional bookshops by giving away £500 worth of book vouchers.

We offer four £5 book vouchers to readers who come up with the wittiest gag about scientists and engineers.

It's not available right now but those book vouchers you get over Christmas might come in handy.