Poisonous Plants Hardcover - Lined/Grid

$ 19.95

Your potion recipes and dark botanical observations will find themselves at home in this deep plum and warning-green notebook. Use the illustrations on the cover to help you identify deadly nightshade, water hemlock and others of the most poisonous plants from around the globe.

7" x 9"
Page Count
192 pages (96 sheets)
Paper Type 5mm Grid + College Ruled
Paper Weight 81 gsm
Binding Lay-flat Hardcover
Paper Composition 100% recycled
Printing Soy-based ink
Generation 4th

For more information on our paper, see the blog.

The textured covers of these notebooks have the feel of old textbooks, and with advanced lay-flat pages, they want to fall open, like a well-loved library book. Go ahead and see for yourself – these are the notebooks your most brilliant ideas have been waiting for.

The Hypothesis series is built with high-quality 100% recycled paper and printed with soy inks, leaving a light footprint. Be inspired to ask the right questions, connect the dots (even when they’re really far apart), and keep pushing humanity forward, so that tomorrow is always brighter than today.


Flat Rate $5.95
Orders $75+ ship for free
Expedited service available


Shipping is available to most countries. See details at checkout.

Shipping FAQReturns FAQ

Customer Reviews
5.0 Based on 12 Reviews
Write a Review Ask a Question
  • Reviews
  • Questions

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
Kendall D.
United States United States
Great journal!

I absolutely adore the cover, and it's a great size for me to make into a bullet journal. I love it!

Caroline L.
United States United States
Favourite notebooks

I love these notebooks - beautiful covers and sturdy pages

Moira M.
United States United States
Awesome notebook

This notebook is inspiring just to look at! It’s been great for journaling and sketching and writing down ideas. Love it!

A Cognitive Surplus Customer
cassandra d.
United States United States
Works great!

I'm actually using this for planning my D&D game. The graph side is great for sketching out maps and making checklists while the other side is great for notes relating to sessions. In fact, one of my party members was extremely impressed with the overall quality of the notebook that he ordered his own!

Dixie M.
United States United States
Found the perfect craft notebook

With the grid on one side and the lined on the other this is the ideal notebook for diagramming patterns for knitting, cross stitch and sewing allowing for notation on the side. The hard cover lies flat when open which is another plus and the size fits perfectly in a tote or purse.

Veronica R.
United States United States
Perfect Purchase

This is a great notebook, especially for fountain pen ink. The paper is smooth with really minimal bleed-through.

Cognitive Surplus Poisonous Plants Hardcover - Lined/Grid Review
Karis O.
United States United States
Fantastic notebooks

I purchased the Poisonous Plants and Skeleton hardcover notebooks from The Hypothesis collection. They are absolutely beautiful and just as pictured. The pages really do lay flat and they are thick enough that the Staedtler triplus fineliner marker pens I use for taking notes just barely bleed through the tiniest bit. You’d have no problem with regular pens. There’s also an attached ribbon placeholder in each, which I find very helpful.

Cognitive Surplus Poisonous Plants Hardcover - Lined/Grid Review
Stephanie A.
United States United States
Totally Killer

I love it more now that it's in my hands and not a picture on my screen. The pages are smooth, and gel pen ink does not bleed through to the other side. with the lined and graph paper, I'm able to make two notebooks in one place! Work is on one side, thoughts and homework on the other. The flat layout ensures comfort. High quality all around! Will definitely be back to buy more.

Anne M.
United States United States
love this!

My notebook arrived within days of being ordered, and my friend started using it immediately. I am so pleased.

Jennifer M.
United States United States
Poisonous Plants Journal

Your journals make me happy. I love the illustrations on the covers. The paper inside is nice quality with almost no ink bleed through. The combination of lines and grids provides flexibility in my journal experience.

Cognitive Surplus Poisonous Plants Hardcover - Lined/Grid Review

Further Research

Recently viewed