1000lifehacks.com

title	ISBN-13 (ISBN-10)	year of publica- tion	other author(s)
Life Hacks 2018 Day-to-Day Calendar	978-1-4494-8252-7 (1-4494-8252-X)	2017	Keith Bradford
Life Hacks 2020 Day-to-Day Calendar	978-1-4494-9812-2 (1-4494-9812-4)	2019	"