The Friends of the Castro Valley Library will hold an indoor book sale Friday through Sunday, May 5 - 7.  This sale will feature fiction and mystery books, all categories of nonfiction books, children’s books, audio books, DVDs, and music CDs.  Most books are $1 or less; children’s books are 25¢.  We will have a nice selection of antiquarian and special books at slightly higher (but still bargain) prices. Member Preview is Friday night from 6 to 8 p.m.  Memberships may be purchased or renewed at the door.  Saturday hours are 10 a.m. to 4 p.m.  Sunday ($5 bag day) hours are 1 p.m. to 4 p.m.   Cash, checks, and credit/debit cards are accepted.   The Castro Valley Library is located at 3600 Norbridge Ave. in Castro Valley.  Proceeds from the sale pay for library programs and amenities that would not otherwise be available. Please call us at 510-733-3285 or visit our website for more information.