Don't know where to buy books online (Family and relationships)

Better World Books is an online bookstore that offers free worldwide shipping. They offer new titles as well as used books and textbooks. They are affiliated with over 2300 college campuses and 3000 libraries. So far, they sold over 117 million books for $15 million, and put that into funding for literacy and education.

Amazon.com is an electronic commerce company that offers a wide variety of items, as well as books.

They offer e-books, as well as textbook rentals.

Book Depository offers over 14 million titles. They aim to increase their assortment of books in other languages as well. They are collaborating with Amazon.

They offer:

• Free shipping to over 100 countries
• The possibility of preordering books and getting a discount for that.
• Print-on-demand (they order from the publisher of the book that you ordered, and they print out the selected copy, and send it to you.)

The pricing can be displayed in many monetary units.

eBay is an e-commerce company that sells and holds auctions for a vide variety of items, as well as books. 

The site has a filter that can show you which of the  items can be shipped for free, as well as to which countries that particular seller ships their product.

Advanced Book Exchange is an online store that offers:

• New books
• Used books
• Antique books
• New or used textbooks
• Possibility to sell books to other people

They have been founded in 1995, and lanunched in 1996, and are recognized by the UN as one of the world's leading commerce companies. They have various other sites, for other countries:

ABE Germany; ABE France; ABE Italy; ABE Spain.

Thrift Books is an online bookstore that offers all genres, but also rare books and collectibles. They ship worldwide, and are said to have the fastst international shipment of books.

Their shipping options are:

For the USA:

Standard shipping: 4-14 business days; for orders under $10 each - $0.99; orders $10 and above have free shipping

Expedited shipping: 5-8 business days; for orders under $10 each - $2.99; orders $10 and above - $2.99

2-day shipping: 2 business days; for orders under $10 each - $13.99; orders $10 and above -$13.99

For Canada and the UK:

Standard shipping: 15-20 business days; for each item $2.99

Expedited shipping: 5-10 business days; for each item $5.99

The rest of the world:

Standard shipping: 15-20 business days; for each item $4.99

Expedited shipping: 10-15 business days; for each item $9.99

Lowplex is a UK-based online book retaler that specializes in children's books, but also offers books for adults, in all genres. Their books are available as both physical copies and audiobooks.

They make international deliveries that take up to 30 days. They ship, however, 2-3 days within the UK.

Alibris is an online bookstore that offers:

• New books
• Used books
• Out-of-print books
• Rare books

Alibris has an online network of intependent booksellers. It has more than 150 million books, and 15 thousand booksellers in 65 countries.

They offer two kinds of shipping:

Standard international: it takes 3-4 weeks to ship; the fee is $14.99 for each item that is being shipped.

Priority international: it takes about 2 weeks for the shipment to arrive; the fee is $19.99 for each item that is being shipped.

Booktopia is an online bookstore based in Australia, that offers:

• books
• ebooks
• audiobooks

Free shipping isn't available to everyone. Booktopia sends you an email when that option is available. During that time, you can pass the code to a third party (friend, family member, colleague, etc.). This is done because their shipping price is fixed, no matter how many things you order in one go. It's always $6.95.

This store offers their services only in Australia (including the rural areas) and New Zealand.

Audiobooks Now is an online audiobook store that offers both audiobook streaming and downlowading. Their app is free, and in-app purchases are available. 

There are 2 pricing plans:

1. Monthly plan offers 50% off the first audiobook each month + 40% off any other purchase. It comes with a 30 day free trial, then the monthly fee becomes $5. It can be canceled any time.
2. 50% off the first 12 audiobooks and up to 40% off for a full year. After you purchase your first 12 books, the plan can be renewed as often as you want, for a $36 fee.

Both pricing plans offer one premium audiobook, and then you will have an access to many free public domain audiobooks.

Those plans can be reactivated, and you can switch between them.

It is supported on all platforms.

Available in: USA, Canada, UK, Australia.