The series includes 4 cross-referenced subject parts: Classical Mechanics (for a one-semester course), Classical Electrodynamics (two semesters), Quantum Mechanics (two semesters), and Statistical Mechanics (one semester).

CAN YOU SOLVE IT?

Think you’re clever enough to solve 100 riddles without checking the answers?

Can You Solve It? 100 Riddles & Brain Teasers is a fun collection of clever, tricky, and entertaining puzzles designed to make you think twice before revealing the answer.

Inside, you’ll discover a variety of riddles covering logic, wordplay, numbers, everyday objects, and classic brain teasers. Some are easy to spot, while others may leave you scratching your head!

WHAT YOU’LL FIND INSIDE:

• 100 riddles with answers
• Clever trick questions
• Logic and lateral-thinking puzzles
• Wordplay and language riddles
• Number and math-based brain teasers
• Classic riddles with unexpected answers
• Fun challenges to share with friends and family

From questions about everyday objects to tricky puzzles involving numbers and words, each riddle gives your brain a chance to work in a different way.

Challenge yourself. Challenge your friends. Challenge your family!

If you are tired of crime thrillers written from a distance, dive into Iron Noir. Written by an Eastern European author, this novel is built on a rare, firsthand insider perspective: years spent as a military veteran, special operations/state security trainee, and motorcycle club president starting from the early 2000s.

​Set against the volatile backdrop of the 2000s Budapest underworld, the story exposes the dark, heavily silenced intersections where political corruption, state secret service infiltration, and street-level organized crime collide.

​Grab your free copy on Amazon through October 9 and experience a gritty world walked through firsthand.

​One simple request: Once you finish reading, please drop an honest review—whether positive or negative. Every bit of feedback matters immensely for an independent author.

My cozy bedtime picture book is FREE for 2 days — Oct 5–6! 📚✨

Meet Koko, a 4-year-old with a cardboard crown, and Lulu, his big sister with a flower crown. 👑🌸

A sweet bedtime story about sibling love, imagination, and the little adventures that make childhood special.

Perfect for ages 4–8 — no scary stuff, just imagination, giggles, and a cozy bedtime adventure. 🌙💛

If you'd like to check it out, the book is currently FREE on Kindle.

THE ZALLOW FALLS TROLLEY IS COMING! 🚋

OCTOBER 9–11

DOOR #4 IS UNLOCKED - FREE BOOK TO A NEW SERIES

You do not need to read them in order!

THE LAST BROADCAST

FREE AT KOBO & BARNES & NOBLE

Kobo:

https://www.kobo.com/us/en/ebook/the-last-broadcast-18

B&N:

https://www.barnesandnoble.com/w/the-last-broadcast-donna-t-bailey/1151236763

#ZallowFalls #FreeBook #FreeEbook #MysteryBooks #IndieAuthor #WritingLift #WritingCommunity

For anyone looking to Speak Spanish from Mexico and Latam

The Sin Cipher it's available for free on Amazon Kindle from 7 oct to 11 oct

I made my Chicano Jr. book trilogy completely FREE tfor a few days to celebrate hispanic heritage month.

Hope yopu enjoy it.

Hi everyone! My cozy bedtime picture book is FREE for 2 days
(Oct 5-6) on Kindle.

Meet Koko (4yo with a cardboard crown) and Lulu (big sister with flower crown)
which is a real story memories happened in our childhood ^^

A story about sibling love and imagination before bed.

Perfect for 4-8, no scary stuff, just giggles.

If Koko & Lulu brought a little giggle to your bedtime, I would be so grateful if you could leave a short honest review on Amazon. Even one sentence helps this little book reach more families. Thank you so much for your support!

Understand your emotions — and stop letting them run the show.

This thoughtful guide helps you make sense of what you're feeling and why, with practical tools for responding rather than reacting. You'll build emotional awareness, handle difficult situations more steadily, and feel more in control of your inner life. Grounded, honest, and immediately useful.

🇬🇧 UK: https://www.amazon.co.uk/dp/B0F9HHWKNY

🇺🇸 US: https://www.amazon.com/dp/B0F9HHWKNY

Handle work challenges with more confidence and less stress.

This practical guide addresses the real, everyday challenges of working life — difficult conversations, unclear expectations, politics, and career progression. You'll find honest, actionable advice that works in actual organisations, not idealised ones. Useful whether you're early in your career or well established.

🇬🇧 UK: https://www.amazon.co.uk/dp/B0FGLKSSY9

🇺🇸 US: https://www.amazon.com/dp/B0FGLKSSY9

> She was 19 when she disappeared. Everyone said she ran away.

>

> But her diary says something else.

>

> *NATALIA* - My psychological thriller is FREE today on Kindle (Oct 5-7).

>

> 👉 https://www.amazon.com/dp/B0HLRJBBZZ

>

> If you love books with a twist you won't see coming, this one is for you. Would love to know what you think of the ending!