Contact
Questions or problems? We are happy to help.
Write or call us
We usually reply within one working day.
Saturday–Thursday, 10am–8pm (Bangladesh time)
Payment problem?
To help us sort it out quickly, include:
- the email of your account
- the book, video or plan
- the bKash Transaction ID (TrxID) and the number you paid from
For your safety, never send us your bKash PIN or password — we will never ask for them.
Authors and publishers
To publish or partner with us, email the book title, its language and a short introduction.