About Hootshell
Why Hootshell exists
Study books often read like reference manuals. A Hootshell notebook is written the way a patient teacher explains things to one student: a scene you already know, then the idea, then the code, with the why spelled out every time.
What we make
HootNotes: PDF notebooks, one subject each, that look and feel handwritten. Ruled pages, blue ink, a red margin, drawings at the moment that matters, and exercises with answers one link away. The aim is one structured book per subject that feels personal rather than corporate.
The first is Think in Patterns: The Python Coding Interview Notebook: learn 36 patterns, not 340 answers. Every solution tested.
How a HootNote is made
Research, build, ship, repeat. Then keep correcting.
Find what learners struggle with. Before writing, we study what readers of comparable books praise and complain about: the missing “why”, sudden jumps in difficulty, padding, and forgetting a solution a month later. Each book is then checked against that list.
Write it in our own words. Every example, explanation, drawing and solution is written for the book.
Test the code. Every solution file runs against its tests before a release.
Review before release. Each edition is reviewed, and what the review finds is fixed before it goes on sale.
Keep correcting. Mistakes found after release are listed on the book’s public corrections page and fixed in a corrected edition that buyers get free.
Meet the crew
Five lucky charms live in the margins of every HootNote, each a symbol of wisdom or good fortune. They keep the pages company and keep you going.
Bit the robot
The crew’s tinkerer. Brings the fun facts.
Lucky the waving cat
A lucky charm with a raised paw. Waves in good fortune, and more fun facts.
Hoot the owl
Wisdom. Gives the tips.
Ellie the elephant
Memory and good fortune. Tells you what to remember.
Shelly the turtle
Patience and a long life. Knows the Python tricks.
Tap one of the crew for a line from the notebooks.
What we promise
Claims you can check
Every number about a book comes from the book itself. We do not promise jobs, interviews or results; a book teaches a method, and the practice is yours.
Try before you buy
A free sample of every book, with no email asked, and a 7-day refund if it is still not for you.
Fair prices
One payment per book, a rupee price for India, and corrected editions free. Pricing.
No tracking
No account, no advertising and no cookies of ours. Privacy.