Sales:
Ultimate Sales Letter by Dan Kennedy
The 10x Rule by Grant Cardone
Sell or be Sold by Grant Cardone
Dotcom Secrets by Russel Brunson
Give: The Ultimate Guide To Using Facebook Advertising by Nicholas Kusmich

Motivational/Self-Improvement:
Crazy Good by Steve Chandler
The Motivation Manifesto by Brendon Burchard
No Excuses! by Brian Tracy
The One Minute Manager by William Morrow
Moneyball by Michael Lewis
Awaken The Giant Within by Tony Robbins
How To Win Friends and Influence People by Dale Carnegie
The 21 Day Miracle by Ed Rush

Entrepreneurship:
The Millionaire Fastlane by M.J. DeMarco
The Entrepreneur Roller Coaster by Darren Hardy
The Richest Man in Babylon by George Samuel Clason
Publish a Book & Grow Rich by Gerry Robert

Biography:
Schultz and Peanuts by David Michealis
Made In America by Sam Walton

Creativity:
Steal Like an Artist by Austin Kleon
The Doodle Revolution by Sunni Brown
Draw to Win by Dan Roam
The SketchNote Handbook by Mike Rhode

All of these “big boy books” helped me tons. If you are a kid who wants to make money, check out these books, but these are intended for grownups, so have your parents read the books first.