Free Kindle Books for Kids: Boys and Manners, Who is Blue at the Zoo, Goodnight Baby April 6, 2012 by The Kindle books for kids are available for FREE right now: Boys and Manners: 104 Things Your Boys NEED to Know Who Is Blue At The Zoo? Goodnight, Baby If you don’t have a Kindle you can still read this on your computer, iPad, iPod, iPhone, or Android. Remember that Amazon changes prices often so this may not be free for long.