You type text into the channel window, press Enter, and the text gets displayed in that channel for other people to read.
If nobody is reading -- Oh well.
Read the channel topic, send messages (/query) to channel ops, join other channels and ask in them.
The life and death and going-ons of any particular network or channel is completely outside of the scope of this website. Nobody here knows. Nobody here wants to know.
Try Amazon.com for eBooks.
At least I won lunch.
Good philosophy, see good in bad, I like!