Contact Us

For any queries, refund requests, or for asking for any testbank, solutions or ebook, we recommend emailing us (best option) at: [email protected] – You can even SMS at: +1 (650) 479-5146 (please don’t call) during working hours and days. We reply to all emails within 24 – 48 hours.

You can also fill the form on the left or at the bottom that says Request ANY eTextBook (preferred).

We hope you like our site and will share it with your friends as well 🙂 Our aim is to serve students and help them save as much money as possible!

Donate Via Crypto

Best of luck with your studies!

CST Live Chat

    is typing...

    Fill in the form below to send us a message.

    Send Message Cancel