OriGene in collaboration with Cell Press released a book - CRISPR Special Edition of 2016 landmark papers from Cell - which is a good resource for learning about this awesome technology. You might be able to get it for FREE at http://www.origene.com/support/signup.aspx
For learning about - in what context CRISPR-Cas9 antibodies are relevant to this technology, you may also read: Top 4 reasons: why use CRISPR-Cas9 antibodies and how? https://www.novusbio.com/antibody-news/antibodies/top-4-reasons-why-use-crispr-cas9-antibodies-and-how