Free Kindle ebook for World Book Day

Five books by world writers and, yes, Alexa will read your Kindle books to you in her own voice. You can also ask Alexa to play your Audible audiobooks, and those will be read in the recorded narrator's voice.
https://smile.amazon.com/article/read-the-world?ref_=pe_1840220_406976050_sub_aucc_us_crm_041919_worldbookday

Free Daniel Pinkwater audiobooks

If you're a Pinkwater fan, check out his audio archive--it offers not just free audiobooks, but podcasts and radio interviews, also. Be nice and donate something to the nice man.
http://www.pinkwater.com/podcast/audioarchive.php