Good day,
I have over 16 years of experience on elearning systems and development and over 10 years on Moodle.
You mentioned that you have the textbook you are using, so what I think that you may need instruction designer then developer to make your content into an online course into Moodle.
Basically, this is not a bid, but a way to communicate with you, I need to know some more details, if this is possible to answer some questions on chat, where I can show you also some examples that I pretty sure that you will like.
Awaiting your reply,
Best regards,