First audio book and is this too echoey? or spitty?

The sibilance is too strong in places, (compression can exaggerate it).
Fixable with a de-esser plugin such as desibilator.

desibilator suggested settings.png

IMO there is too much room-reverb (echoey) for a profe$$ional recording.

https ://www.youtube.com/c/BoothJunkieVO/search?query=booth