EnglishEnglish

EspañolSpanish

简体中文Chinese

繁體中文Chinese (Traditional)

FrançaisFrench

DeutschGerman

日本語Japanese

PortuguêsPortuguese

ItalianoItalian

한국어Korean

РусскийRussian

NederlandsDutch

العربيةArabic

PolskiPolish

हिन्दीHindi

Tiếng ViệtVietnamese

SvenskaSwedish

ΕλληνικάGreek

TürkçeTurkish

ไทยThai

ČeštinaCzech

RomânăRomanian

MagyarHungarian

УкраїнськаUkrainian

IndonesiaIndonesian

DanskDanish

SuomiFinnish

БългарскиBulgarian

עבריתHebrew

NorskNorwegian

HrvatskiCroatian

CatalàCatalan

SlovenčinaSlovak

LietuviųLithuanian

SlovenščinaSlovenian

СрпскиSerbian

EestiEstonian

LatviešuLatvian

فارسیPersian

മലയാളംMalayalam

தமிழ்Tamil

اردوUrdu

SoBrief

Searching...

🎓 Graduate Textbooks

Advanced academic texts designed for master's and doctoral-level study, offering rigorous, specialized knowledge that builds on undergraduate foundations. The deep end of scholarly learning.

The Elements of Statistical Learning

by Trevor Hastie • 2001

The unified mathematical engine under linear regression, trees, and neural nets.

4.43

2k+

📊 Statistical Learning 🎯 Supervised Learning ✅ Model Evaluation 🤝 Ensemble Learning ⚖️ Regularization Methods

The Elements of Statistical Learning

The unified mathematical engine under linear regression, trees, and neural nets.

by Trevor Hastie 2001

4.43

2k+ ratings

📊 Statistical Learning 🎯 Supervised Learning ✅ Model Evaluation 🤝 Ensemble Learning ⚖️ Regularization Methods

Gravitation and Cosmology

by Steven Weinberg • 1972

A textbook that doesn't ask you to imagine curved spacetime; it proves you can't avoid it.

4.50

177

🌀 General Relativity 🌌 Cosmology 📐 Spacetime Geometry 🕳️ Black Hole Physics 🌊 Gravitational Waves

Gravitation and Cosmology

A textbook that doesn't ask you to imagine curved spacetime; it proves you can't avoid it.

by Steven Weinberg 1972

4.50

177 ratings

🌀 General Relativity 🌌 Cosmology 📐 Spacetime Geometry 🕳️ Black Hole Physics 🌊 Gravitational Waves

Introduction To Machine Learning

by Ethem Alpaydin • 2004

The mathematical core of machine learning, taught without cutting corners: from Bayes to boosting.

3.78

251

🤖 Machine Learning 📊 Statistical Learning 🏷️ Supervised Learning 🎮 Reinforcement Learning 🎲 Bayesian Inference

Introduction To Machine Learning

The mathematical core of machine learning, taught without cutting corners: from Bayes to boosting.

by Ethem Alpaydin 2004

3.78

251 ratings

🤖 Machine Learning 📊 Statistical Learning 🏷️ Supervised Learning 🎮 Reinforcement Learning 🎲 Bayesian Inference

SoBrief

Create a free account to unlock:

Recommendations: Personalized for you

Requests: Request new book summaries

Bookmarks: Save your favorite books

History: Revisit books later

Ratings: Rate books & see your ratings

Try Full Access for 3 Days

Listen, bookmark, and more

What's part of Pro?

Compare Features	Free	Pro
📖 Read Summaries Read unlimited summaries. Free users get 3 per month
🎧 Listen to Summaries Listen to unlimited summaries in 40 languages	—
❤️ Unlimited Bookmarks Free users are limited to 4	—
📜 Unlimited History Free users are limited to 4	—
📥 Unlimited Downloads Free users are limited to 1	—

Risk-Free Timeline

Today: Get Instant Access

Listen to full summaries of 26,000+ books. That's 12,000+ hours of audio!

Day 2: Trial Reminder

We'll send you a notification that your trial is ending soon.

Day 3: Your subscription begins

You'll be charged on Aug 10,
cancel anytime before.

Consume 2.8× More Books

Our users love us

This site is a total game-changer. I've been flying through book summaries like never before. Highly, highly recommend.

— Dave G

Worth my money and time, and really well made. I've never seen this quality of summaries on other websites. Very helpful!

— Em

Highly recommended!! Fantastic service. Perfect for those that want a little more than a teaser but not all the intricate details of a full audio book.

— Greg M

Save 62%

Yearly

~~$119.88~~ $44.99/year/yr

$3.75/mo

Monthly

$9.99/mo

Start a 3-Day Free Trial

3 days free, then $44.99/year. Cancel anytime.

SoBriefPro

Unlock a world of fiction & nonfiction books

26,000+ books for the price of 2 books

Read any book in 10 minutes

Discover new books like Tinder

Request any book if it's not summarized

Read more books than anyone you know

#1 app for book lovers

Lifelike & immersive summaries

30-day money-back guarantee

Download summaries in EPUBs or PDFs

Cancel anytime in a few clicks

SoBriefPro

Try Full Access for 3 Days

Cancel anytime in a few clicks

Secure payment

What you get with SoBrief

📚 9,000+ fiction & 17,000+ non-fiction book summaries

🎧 Listen to immersive audio summaries with background music

✨ Personalized recommendations based on your taste

📥 Download PDFs & EPUBs for offline reading

🌍 Translations in 40+ languages

People love SoBrief

Join our global community of 600,000+ readers

★★★★★

This site is a total game-changer. I've been flying through book summaries like never before. Highly, highly recommend.

— Dave G

★★★★★

Worth my money and time, and really well made. I've never seen this quality of summaries on other websites. Very helpful!

— Em

★★★★★

Highly recommended!! Fantastic service. Perfect for those that want a little more than a teaser but not all the intricate details of a full audio book.

— Greg M

Frequently asked questions

Why do I need SoBrief? +

SoBrief helps you read more books by providing high-quality summaries of 26,000+ fiction and non-fiction books. Perfect for busy people who want to learn and grow but don't have time to read full books.

What happens after the free trial? +

After your free trial ends, your selected plan begins automatically. You can cancel anytime before the trial ends and you won't be charged.

How can I cancel my subscription? +

You can cancel anytime from your account settings in just a few clicks. No questions asked.

Can I get a refund? +

Yes. We offer a 30-day money-back guarantee. If you're not satisfied, contact us and we'll refund your payment.

🛡️

30-day money-back guarantee

If you're dissatisfied for any reason, you may cancel and request a full refund within 30 calendar days of your original payment.

Cancel anytime in a few clicks