RouterOS Book for MTCNA Exam

Hello All,

I would like to ask if there is any book on routeros exam guide (mtcna, etc) available online? I tried the exam last week, but failed with 51%. I just got materials online to make a little note book and help me a little.

The exam need practice and more of reading.

I hope someone out there would help me with material

Try this one: http://learnmikrotik.com/book

Thank You so much