If you are into SICP, you would probably like a nicely formatted html version of the book:
https://sarabander.github.io/sicp/html/index.xhtml#SEC_Conte...
And also this:
replies(2):
https://sarabander.github.io/sicp/html/index.xhtml#SEC_Conte...
And also this:
EPUB - https://github.com/sarabander/sicp-epub/blob/master/sicp.epu...
PDF - https://github.com/sarabander/sicp-pdf/raw/master/sicp.pdf