Whether you have a side hustle or you’re thinking about starting one, you’re not alone: Nearly half of Americans have side hustles. Some of us are doing out of necessity, while others are purely doing it for fun. Whichever camp you fall in—or if you fall somewhere in between—you don’t need to go into your side hustle blind. There’s a lot of guidance out there to help you get started, motivate you to keep going, and help you make sure you’re getting paid what you deserve.

If you’re thinking about or are already in the side hustle game, add these 10 books on side hustles to your reading list.

Best Books on Side Hustles

Side Hustle: From Idea To Income In 27 Days by Chris Guillebeau

This fun read by Chris Guillebeau helps anyone who may have a brilliant idea for a side business put the wheels in motion to make it happen—without quitting their day job.

Side Hustle: A Beginner’s Handbook On Effective Ways To Earn Extra Income On The Side by Eric Scott

Maybe you don’t have an idea for a side hustle just yet, but you want to earn extra income. If so, Eric Scott’s handy book will arm you with ideas, productivity hacks, rules and more.

Related: We’re calling it right now: These are the 25 Best Books of 2019

Startup Opportunities: Know When To Quit Your Day Job by Sean Wise & Brad Feld

So you have a successful side hustle, and you’re wondering if it’s time to pull the trigger and say goodbye to your 9-to-5. If that sounds like you, let a copy of Startup Opportunities be your guide.

The Motivation Myth: How High Achievers Really Set Themselves Up To Win by Jeff Haden

Motivation as we know it is a myth—at least according to author and Inc.com columnist Jeff Haden. So when that coworker of yours launches an ultra-successful side hustle and turns it into a lucrative business, it’s not because they’re more motivated than you. It’s because they put a process into place to help them stay motivated and reach their goals.

Related: How A Side Hustle Can Add Passion—And a Big Payoff—To Your Career

What If It Does Work Out? How A Side Hustle Can Change Your Life by Susie Moore

If you find the side hustle game intimidating, Susie Moore has come to the rescue with What If It Does Work Out? This guide will encourage you to turn your talents into a money-making side hustle.

Women With Money: The Judgement-Free Guide To Creating The Joyful, Less Stressed, Purposeful (And Yes, Rich) Life You Deserve by Jean Chatzky

If you’re looking to monetize your talents, getting paid what you’re worth is super important. If you feel nervous asking for what you feel you deserve—or if you don’t exactly know what you deserve—this book is a perfect read for you.

The 4-Hour Work Week by Tim Ferris

While you may not be able to get your work week down to four hours, Tim Ferris’ guide to earning more in a lot less time is key for anyone looking to jump into the side hustle business.

Related: Chris Guillebeau Shares How To Make Cash Quick in Side Hustle

SideHustle Millionaire: How To Build A Side Business That Creates Financial Freedom by Tony Whatley

Sure, your side hustle could earn you a few hundred dollars each month—or it could make you a millionaire. Why not choose the latter? Find out how to make it happen with this read by Tony Whatley.

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Money On The Side: A Little Book Of Side Hustles And Tips For Saving Moneyby Heather Ledbetter

For a short, interactive read that will help you get started on your side hustle and start earning extra cash ASAP, grab a copy of Money On The Side. You’ll be side hustling before you know it.

Related: Oh My Posh! Haley Gibbs Has Made Over $65,000 Selling Thrift Store Clothes on Poshmark—Here’s Her Top Tips

The Freelancer’s Bible: Everything You Need To Know To Have The Career Of Your Dreams—On Your Terms by Sara Horowitz

Believe it or not, one-third of the American workforce is freelance. Freelance can be stressful, but also lucrative and incredibly freeing. If you want to learn how to master the freelance game and craft the career of your dreams, this is the read for you.

Ready to get started? Here are 155 hustle quotes to help you stay motivated.