As you probably know, there's always room for improvement. No matter how good you are at something, you can still learn and develop your skills. We're not saying that you should strive for perfection, but rather be your personal best.

Likewise, it's important to acknowledge your weaknesses and turn them into strengths. Think of yourself as a work in progress.

For starters, check out these self-development books in PDF format. Read them thoroughly, and then take the steps needed to reach your full potential.

1. What Matters Now

Seth Godin What Matters Now eBook

In the realms of marketing and entrepreneurship, few names are as highly or widely regarded as Seth Godin. He can write a blog post under 100 words long and make it go viral within hours. When he speaks, people listen.

What Matters Now is a compiled-by-Godin collection of thoughts from influential thinkers, divided into dozens of one-page sections that each deal with specific areas in life.

Generosity, vision, excellence, momentum, compassion—these are just some of the topics you'll find in this 82-page booklet.

2. How to Get More From Life

How to get more from life by Scott Young

Scott H. Young maintains a blog that explores all kinds of topics that stem from this question: what's the best way to learn? But his blog is a bit tough to wade through, given that it has hundreds of articles in its archives.

How to Get More From Life, a free personal development book in PDF format, is a compilation of his best posts. In his words, getting more from life means "a philosophy that is always geared towards improvement,"—and this ebook aims to get you thinking in that way.

3. 7 Keys to Discovering Your Passion

Free self-development books in PDF

If you know what you want to do with your life, then consider yourself lucky!

Some people don't figure that out until well into their 40s, 50s, or even 60s. And while it's never too late to find your passion, it's definitely better to find it now rather than later.

7 Keys to Discovering Your Passion won't tell you what your passions are, but it will give you the mindset that you need to go out and find it. Your passion might be some kind of creative hobby or something else. You won't know until you start looking.

4. Career Satisfaction From Within

Free career development eBook

Are you unhappy with your job or career? Have you lost your motivation?

The job itself could very well be the problem, but it's also possible that the problem stems from an issue deeper within. What if you could learn to be satisfied with any job or career?

You definitely can. But it won't be easy.

Career Satisfaction From Within is a quick but insightful look at some of the main reasons why we find ourselves dissatisfied with our positions in life, and what we can do to move beyond that.

After reading it, you'll know how to let go of your fears and give yourself permission to enjoy what you do. Like other self-development eBooks in PDF format, this guide also includes a series of exercises designed to help you overcome challenges and better yourself.

5. 279 Days to Overnight Success

Free eBook for aspiring writers

If you want to start a blog, you should. From career and everyday life to health and fitness, there are endless topics you can address. This could be a fantastic opportunity to share your knowledge and become a better writer.

But it's one thing to write for passion, and another thing to make a living from writing. If you're ready to take your blog to the next level, make sure you first read 279 Days to Overnight Success.

This guide starts from the premise that there are no shortcuts in life. It also emphasizes that "overnight success" actually requires a lot of time, effort, and grit.

These are the same kinds of lessons that successful entrepreneurs share. Growing is not easy, but it's certainly worth the effort.

Related: 8 Tips to Become a Successful Content Writer

6. How to Practice the Art of Life Balance

Personality development books PDF

In this highly competitive era, many of us have lost sight of work-life balance. We pour everything into our professional endeavors at the expense of our personal lives, which can lead to anxiety, poor health, stress, burnout, and unhappiness.

How to Practice the Art of Life Balance is a 107-page collection of stories and resources that will show you that you aren't alone in this struggle. It's one of the most insightful self-help books in PDF format out there, as it offers actionable tips on how to get your groove back, limit stress, and squeeze more "me" time into your schedule.

Even if your balance is on point, this eBook is a good refresher on how to maintain that balance.

7. 101 Things to Do Before You Die

Things to do before you die free eBook

If you knew you were leaving this world tomorrow, what would you do today?

It's a tough question, one that we don't really like to think about. But it's important to accept that tomorrow is never promised, and that we ought to make the best of our time.

101 Things to Do Before You Die is nothing more than a starting point—a generic but thought-provoking bucket list that may help you kick your life back into gear. Instead of wasting time on Netflix, maybe you'll plant a tree, bake a cake, or travel the world.

What would you regret if you passed away right now? Go and do those things while you still can.

8. Beautiful Calm

Beautiful Calm self-development eBook

Meditation is surprisingly helpful—and it doesn't have to be spiritual or religious, though it certainly can be that, too. Some are calling it "mindfulness" these days, but whatever its name, the concept is the same: quiet self-reflection.

Beautiful Calm is a quick read (only 26 pages) but can help you take back control of your life. With meditation, you may finally be able to say goodbye to anxiety, insecurity, and stress.

Getting started is often the hardest part. Use these calming mobile apps to help you settle into that sought-after meditative state.

Related: 5 Meditation and Relaxation Apps to Beat Stress and Anxiety

9. The One Skill

The One Skill Leo Babauta

Are you bogged down by demons like stress, procrastination, fear, anger, or insecurity?

Deep inside, you probably know that you'd be happier if you could just let those things go, but that's much easier said than done.

The One Skill is an ebook about letting go of feelings such as fear, hindrances, reluctance, and even pain. If there's one mental skill that everyone in the world can benefit from, this is it. Being able to let go will unlock a whole new level of peace in your life.

10. 92 Life Lessons

Life Lessons self-improvement eBook

This quick read is only 11 pages long, but it will leave you with a lot to think about.

Inside, you'll find a collection of 92 quotes from the Tiny Buddha community. Even though you won't benefit from every single piece of advice, at least one will resonate with you.

Topics covered include Love, Meaning, Happiness, Possibilities, Peace, Mindfulness, Struggle/Growth, and Personal Power. Enter with an open mind, and you may be surprised by how much growth you find therein.

Related: 5 Inspiring Android Apps for Creating Motivational Quotes

What Are You Working on Right Now?

Any of these self-development books in PDF format is a good starting point for those looking to better themselves. Some will show you how to achieve a healthy work-life balance, while others can help you learn more about yourself and discover your true passion.

Remember that you don't have to change everything at once. Take one step at a time and progress at your own pace.

For example, you can start out by pursuing a hobby or learning a new language. Later, you could turn your hobby into a business and escape the nine-to-five grind.