Update README to include new books

README.md

@@ -13,7 +13,7 @@ pretty_name: CC OpenBooks
 ## Dataset Description
 
  CC OpenBooks is a curated collection of high quality non-fiction books. All texts are from CC-By-4.0 sources, with no license ambiguity.
-The documents are normalized to markdown retaining as much formatting as possible to improve output presentation in downstream tasks.
+The documents are normalized to markdown, and care is taken to ensure most formatting (e.g. inline LaTeX) remains intact. Files are manually inspected and cleaned of all defects wherever possible.
 
 ### Source Data
 
@@ -189,6 +189,10 @@ Books from other sources:
 - [High_School_Mathematics_Extensions](https://en.wikibooks.org/wiki/High_School_Mathematics_Extensions)
 - [Lucid_Dreaming](https://en.wikibooks.org/wiki/Lucid_Dreaming)
 - [Nanotechnology](https://en.wikibooks.org/wiki/Nanotechnology)
+- [Introduction to Online Convex Optimization](https://arxiv.org/abs/1909.05207)
+- [Structure and Interpretation of Computer Programs](https://github.com/sarabander/sicp-pdf)
+- [Convex Optimization: Algorithms and Complexity](https://arxiv.org/abs/1405.4980)
+- [Trustworthy Machine Learning](https://arxiv.org/abs/2310.08215)
 
 
 #### Initial Data Collection and Normalization