Fly away to relaxation on the wings of feathered friends with this week's reading, Cassell's Book of Birds. You'll learn more than you ever wanted to know about bird tongues, if you make it that far.   Support us on Patreon and get exclusive perks: https://www.patreon.com/boringbookspod   Read "Cassell's Book of Birds, Volume 1" at Project Gutenberg: http://www.gutenberg.org/ebooks/48675   Follow and chat with us on Twitter: https://twitter.com/boringbookspod   Music: “Ocean Tapping" by PCIII, licensed under CC BY   All Boring Books for Bedtime readings are taken from works in the public domain. If you'd like to suggest a copyright-free reading for soft-spoken relaxation to help you overcome insomnia, anxiety and other sleep issues, send a recommendation on Twitter, on our website, or on Patreon. I'd love to hear from you!