Don't know if I'm doing something wrong or not, but the whole sections of Smut, Songs & Lyrics and Devil's Dictionary are empty - all the books are locked. I've been playing for a week or so, average WPM is 33, just recently have been able to routinely pull off 40-45 with about 95% accuracy - and all the other books have been played at least twice. Just nothing new unlocks anymore. 

Is this normal? Is this the matter of accuracy and I should try to type without mistakes whatsoever? 

By the way - awesome game, I've been enjoying it immensely and definitely feel an improvement in typing skills, so thanks for that! 

I don't want to overstep, but it's intended behavior. 

I know one is locked behind a kind of easter egg, and I imagine the other is as well. 

Hey mike, I don't want to spoil anything but wdpk2 is correct,  smut and Songs & Lyrics are unlocked thru some easter egg (fiddle around with the options menu a bunch) 

Devil's Dictionary is not in the game currently, I believe it is a separate book you can unlock in Classics currently?

Thanks for help! Guess it is time for a detective hat then - I really wanna see what Songs & Lyrics have in store 

you can figure it out in 10 minutes, but it pays to read, watch and know you can use page-up and page-down.

if you type really slow, you unlock a special book that can help you unlock  'audio editing', 'drug queen' and 'queen of the blade'