From April 26 to April 30, the Friends of the Westfield Memorial Library will be offering any teacher with proof of employment "buy 1, get 1 free" on regularly priced books during its annual used book, dvd and cd sale. The book sale financially supports the Library and such expensive Friends’ activities as the Children's Programs and the Museum Guest Passes. Regular prices are $2 for hard backs; $1.50 for trade paperbacks and $.50 for paperbacks. On April 29, all items will be half-price and on April 30 $5 buys a supermarket bag full of items, with each additional bag only $3. Past sales have