https://www.amazon.com/CompTIA-Advanced-Security-Practitioner-Certification/dp/0789759446/ref=sr_1_1?crid=31JIK09DZGNQC&keywords=cert+guide+Casp&qid=1569430298&s=books&sprefix=Cert+Gu%2Cstripbooks%2C158&sr=1-1
{}