The "PC Support Handbook" ISBN reference is 978-0-9541711-3-1.
The "PC Multimedia & Web Handbook" ISBN reference is 09521484-9-8.
The books are available in the following ways:
From all major book distributors such as Waterstones, Smiths, Blackwells, The PC Bookshop, etc.
From PC World.
From amazon.co.uk.
Directly from the publishers, Dumbreck Publishing. This is often the quickest method and there is no extra charge for post & packing.

The recommended retail price for each book is £29.00

Direct Ordering
Legitimate UK companies can e-mail, post or fax orders, quoting an order reference and an invoice will be despatched with the book(s).
Private buyers can enclose a cheque with their order