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Equations That Changed the World Hardcover - Blank
These blank pages are the perfect place for your next math proof, elegant problem sets, or Fibonacci-inspired illustrations.
The Theory series is filled with blank paper and is built for drawing and sketching with extra-thick, high-quality 100% recycled paper.
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, sketches, and illustrations have been waiting for.
The Theory series is built with extra-thick, high-quality 100% recycled paper and printed with soy inks, leaving a light footprint. Be inspired to ask the right questions, find creative solutions to complex problems, and beauty in the little things.
Dimensions |
7" x 9"
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Page Count | 160 pages (80 sheets) |
Paper Type | Blank Pages |
Paper Weight | 128 gsm |
Binding | Lay-flat hardcover |
Paper Composition | 100% recycled |
Printing | Soy-based ink |
Origin | Designed in Oregon Paper milled in Japan Assembled responsibly in China |
For more information on our paper, see the blog.
Der Versand ist nach ganz Europa und Großbritannien möglich
Flatrate €9,95
€75+ kostenloser Versand
Für Bestellungen, die nach Großbritannien und in die EFTA versendet werden
Die Mehrwertsteuer wird bei Lieferung fällig
Bestellungen werden innerhalb von 1-3 Tagen bearbeitet (Montag bis Freitag)
Versand per GLS & UPS 1-5 Tage
Bitte überprüfen Sie Ihre Lieferadresse, bevor Sie Ihre Bestellung absenden. Wir können Ihre Adresse nicht aktualisieren, sobald sie in unserem System ist.
Frequently Asked Questions
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We ship from The Netherlands to nearly all destinations within Europe, Asia, the Middle East, Oceania, South America & South Africa. You'll be able to select your country and add your address details at checkout. If you're able to find your country, we can ship to you!
Unfortunately at the moment, because of the current political situation, our shipping carriers have suspended delivery to Ukraine and Belarus, so delivery to these locations is not possible.
For destinations in North America & Central America, please visit our USA website.
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Region
Shipping Cost for orders €40+
Shipping Cost for orders less than €40
EU FREE €5.95 UK, EEA, Europe (non-EU), Türkiye FREE €9.95 Middle East, Oceania, Asia €35 €35 South America, South Africa €40 €40 If you live in the UK, EFTA, or anywhere outside of the EU, taxes and import fees may be due upon delivery.
For orders shipping to North America, use our USA website for quicker transit times and more affordable shipping costs.
Delivery to zip codes that UPS considers to be "Remote" are charged the UPS Extended Service area fee of €30 in addition to the standard shipping rates.
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We do our best to pack up orders within 1-2 business days. Orders ship via GLS or UPS depending on the weight and destination. Most orders arrive within 1-8 business days.
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When your order arrives, open it up and take a look. If anything isn't as expected, got damaged in transit, or doesn't fit properly, let us know and we'll make it right.
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No problem! We offer full and partial refunds and exchanges. Read more here.
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Due to the way we make our products, we are unable to customize single items. In general, we cannot change the kind of paper in the notebooks from what you see listed or change the colors, but we are always happy to hear what you'd like to see us make in the future!
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