Shipping policy

TwinBook primarily sells digital e-books, PDF study materials and other digital educational resources.

DIGITAL DELIVERY

Since our products are digital, no physical shipping is required.

After successful payment, your purchased digital e-book or PDF will be made available through the delivery method specified on the product or checkout page.

Please make sure that you provide a correct and active email address during checkout.

DOWNLOAD OR DELIVERY PROBLEMS

If you have completed your payment but have not received or cannot access your purchased digital product, please contact us.

Please provide:

• Order Number
• Registered Email Address
• Product Name
• Description of the issue
• Screenshot, if applicable

Send your request to:

twingelnora@gmail.com

We will review the issue and provide assistance as soon as reasonably possible.

PHYSICAL PRODUCTS

If TwinBook offers physical products in the future, separate shipping terms may apply to those products.

CONTACT

TwinBook
Email: twingelnora@gmail.com