Available on Amazon.com

The Friends currently have over 100 books and other media listed on Amazon.com. Our name on Amazon is FriendsofBooks, and our entire on-line store can be viewed at http://www.amazon.com/shops/A1AE92DUB78GQ4. You can access the store by typing the above string in your browser, by clicking on our name when viewing one of our listings or by clicking on the link above.

Don’t forget to mention us when purchasing through Amazon Smile. When you select Friends of the Castro Valley Library as your charity of choice, we will receive a 0.5% donation every time you make a purchase. Many great items “from soup to nuts” are designated as Smile products, so please check it out.

Visit our on-line store to see what we're offering today!

Book Sales

Each year, the Friends hold a large weekend Book Sale in the Spring, Summer, and Fall. Each weekend begins with a Member Preview sale on Friday and ends with a Bag Day sale on Sunday. The sales typically feature a large selection of fiction and mystery books, many categories of nonfiction, and antiquarian and special price books. At least 300 boxes of books are available at each sale.

You will be glad you came!

Mark your calendars now.

The 2020 Book Sales are on the following dates:

  • April 17th-19th
  • August 14th-16th
  • December 4th-6th 

As always, these sales will be at the following times:

  • Friday night Member Preview—6 p.m. to 8 p.m.
  • Saturday—10 a.m. to 4 p.m.
  • Sunday Bag Sale—1 p.m. to 4 p.m., $4.00 for all the books you can put in a grocery-size bag that we provide.

We need volunteers for all sale days as well as for the set-up and clean-up days. Contact us at 510-733-3285 or This email address is being protected from spambots. You need JavaScript enabled to view it. if you can volunteer or if you have any questions about the work or requirements. A signup sheet will be available in the Friends office approximately one month before to the Book Sale date.

Planning to attend? Please remember to bring your current Friends of the Castro Valley Library membership card in order to take advantage of your $2.00 discount. Not a member? You can purchase a membership ahead of time, or at the door.

We may also have special sales at other times during the year. Remember to check frequently for notices in the newsletter, on our website, and posted at the bookstore.

Like us on Facebook and get updates on all our events as well as any special books or collections that come into the bookstore.