What are some other books like these?
Grundrisse?
Not sure about Gundrisse. Is it >>8179980
As for the Silmarillion, try:
Hesiod, including Theogony, the Works and Days, the Shield of Herakles
Snorri Sturluson, the Prose Edda, the Heimskringla
Njall's Saga
The Orkenyinga Saga
The Poetic Edda
>>8179967
Kekbump.
>>8179967
Infinite Jest.