LGood news the first two are on significant sale prices and the others are always useful:

https://www.amazon.com/gp/aw/d/1328683788

https://www.amazon.com/Tribe-Mentors-Short-Advice-World/dp/B082VM5VZN

https://www.amazon.com/INFLUENCE-CARNEGIE-Influence-Paperback-01-Oct-1998/dp/B004FQ18H4

https://www.amazon.com/Your-Well-Before-Youre-Thirsty/dp/B0000544ZN

https://www.amazon.com/gp/aw/d/0140280197

Good luck