This sign is even more confused than the “free” bottles of water we dealt with earlier. There are so many problems with it that I don’t know where to start. There’s nothing wrong with drawing people’s attention to your new service, but you need to actually know what you’re announcing.
Whoever works at the library needs to spend some time in the reference section where the dictionaries live. Maybe they can grab a “free” cup of coffee while they’re brushing up on their English, it might help them get their head around what it all means.