Here are some great Education and Teaching books available. You can get reading up on them as they cost nothing, absolutely FREE of cost from the Amazon Kindle:
223 Amazing Science Facts by Tasnim Essack
Number FOUR World Facts by TheBrothers
Algebra – The Very Basics by Metin Bektas
Four Seasons of Creative Writing by Bryan Cohen
Speed Editing with Text-to-Speech by Sam Peterson (Author), SEIA Lit (Author), themightypen (Editor)