The Amazon UK site - probably the most well-known online book seller. Expect excellent customer service, a large selection of books in stock and speedy delivery.

Click here if you are looking for textbooks.

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If you are looking for Amazon Customer Services, the phone number is: 020 8636 9200.

Waterstone's, the leading specialist high street book retailer, has launched its own online retail website offering a wealth of books and book knowledge and access to expert booksellers from Waterstone’s stores around the country.

All your favourite BBC shows available on video and DVD along with calendars, books, clothing, toys and other BBC merchandise.

Find a wide selection of books from bestsellers to academic books - many with good discounts. There are both 'Out of Print' and 'Rare' book search facilities. Good ideas for gifts in the 'Choice' section.

As well as books, find CDs, videos, games, toys and stationery. Lots of good discounts on this easy to navigate site.

Abebooks is the premier marketplace for second-hand and antiquarian books. They offer a wide range of books covering a vast array of topic areas. Users can buy and sell books or search for hard to find titles. There are a number of different areas to cater to your needs.

Great discounts on best-selling books.

This is the US Amazon site which may have what you're looking for if you're stuck. Note that delivery takes longer and is more expensive.

Pickabook offers over 5 million books from stock, huge discounts, same-day despatch, low-price postage and delivery to addresses worldwide. Ordering is quick and easy and Pickabook's website includes lots of interesting information for book lovers.