CISA and CISM

Q1: The info you sent is all about training courses and exam. Because I am quite comfortable with many areas of 27001 I am just looking books to read and appear in an exam to certify as lead auditor or implementer.
Q2: Is there an exam such as the CISSP which you take after studying a body of knowledge/books written for ISO 27001 lead auditor exam
 

Answer:

A1: I am sorry but we do not have books directly related to ISO 27001, although this free ebook about cybersecurity can be interesting for you “9 Steps to Cybersecurity” : https://advisera.com/books/9-steps-to-cybersecurity-managers-information-security-manual/
A2: After the ISO 27001 lead auditor exam, if you pass it, you can be ISO 27001 Lead Auditor, certified by an entity (for example by a certification body), but there are other certifications related to information security and ISO 27001, the more known are CISA and CISM, so after ISO 27001 lead auditor exam, with the knowledge of ISO 27001, some other important concepts about information security, and specific information about the certifications, you can become CISA or/and CISM (although you also need to pass an exam to become CISA or CISM, and you also need to demonstrate experience in information security). 
We do not have information or books about this, but you can find information in the official page of ISACA (https://www.isaca.org/pages/default.aspx). Anyway, maybe this article can be interesting for you “CISA vs. ISO 27001 Lead Auditor certification” : https://advisera.com/27001academy/blog/2015/05/11/cisa-vs-iso-27001-lead-auditor-certification/
And also this article “Qualifications for an ISO 27001 Internal Auditor” : https://advisera.com/27001academy/blog/2015/03/30/qualifications-for-an-iso-27001-internal-auditor/