Title
The Cat In Numberland
Delivery time: 8-12 business days (International)
At Mr. And Mrs. Hilberts Hotel Infinity, The Resident Cat Is Puzzled. The Hotel Is Fully Booked The Rooms Are Full Of Numbers, Both Odds And Evens Yet Guests Continue To Arrive. When Zero Shows Up, Theres A Massive Room Switching, And He Stays, Even Though Mr. Hilbert Insists Hes Not Really A Number. Then The Letters Appear And Everyone Still Has A Room, Even Though No Numbers Have Left. No Matter How Many Guests Arrive Or Depart, The Hotel Accommodates Them All, And Is Always Full. But When The Fractions Arrive, Demanding Rooms, Real Chaos Threatens. Can An Ingenious Solution Be Found To House Them All?Based On Mathematician David Hilberts Famous Paradox Of The Grand Hotel, The Cat In Numberland Offers A Refreshingly Clear Explanation Of Infinity For Readers Of All Ages. John Obriens Imaginative Line Drawings Further Elucidate The Complex Concept, As Well As Simple Functions Like Addition, Subtraction, Division, And Multiplication.
By changing our most important processes and
products, we have already made a big leap forward. This ranges from the
increased use of more sustainable fibers to the use of more
environmentally friendly printing processes to the development of
efficient waste management in our value chain.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.
Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.