You can use a hex editor to edit the save files to unlock most if not every book. This is the full list of books I have been able to unlock using this method. If you are aware of other entries not on the list, or how to obtain them legitimately, please let me know.
v99 (2019) list:
Excercises:
- upper top row
- numbers (1-100)
- The right hand
- The left hand
- Moves List
- Keystrokes (by frequency)
- Common Words (Twenty most used English words)
- Diagraphs (by frequency)
- United states (50 states alphabetically)
- Most Common Names (2018's most common names (USA))
- W0RST P3SSW0RDS
- Prime Numbers
- Lorem Ipsum
- CREDITS
- SPECIAL THANKS
Poetry:
- Letter to a Casanova
- Octopuses
- FINE LINES
- Weekend Liver
- PRUNO PRAYER
- The Ant
- BitterSweet
- WET WORDS
- The Bright Lady
- Seattle Steno
- The Vegetable Lamb
- A Poem by P. V. Nasby
- Oedipus Heart
- Feeling for Words
- Army of People
- Faces Change
- I Killed a Tree
- Audio Editing
- Queen of the Blade
- Drug Queen
Classics:
- Two Souls
- Fate of Nassan
- A LIST OF DONTS
- De Rarum Natura
- Advenutre! (SIC)
- Royal Aristocrat
- Lorem Ipsum (double)
- Arbitrary English
- Socrates Defence I, II, III, and Epilogue
News:
- Orr Interview
- LCS: Seattle #1 (Liberal Crime Squad)
- FOUND DOG
- Fanny Fern
- Life After Death
- Typewriter Manifesto
Letters/Social:
- YOU DEFINE
- WRITER GUY
- PURE HERO
- RENDERING
- NATURAL ENDPOINT
- DEBUG SPEW
- Rebel Ruby
- Letter to a Casanova (double)
SMUT:
- Analingua
- Chablis From Debris (Sexually)
Songs & Lyrics:
- (Untitled)
- Strange
- Lazymuthafucka
- The Old Oaken Bucket
- Cold
- I Found A Rose
that i could only find in speed race??:
Some day we will die
added after v99 and in or before v9m:
Excercise:
- Lucky Spin
- The English alphabet
Poetry:
- A Post by Starchild Pie
- A New Year's Resolution
- Fire, Smoke, Sulfur
Classics:
- MAUD
- DEVIL'S DICTIONARY
removed in v9m or earlier:
- Letter to a Casanova
- Octopuses