SAP Production-planning and manufacturing certification

Hello,

Am interested in writing the C_TSCM42_66 SAP Certified Application Associate – Production – Planning & Manufacturing with SAP ERP 6.0 EHP6. What book can i use for preparation for my exam as i plan to self-study. I saw a book by Jawad Akhtar (Production Planning and Control SAP PP with ERP),Is this book enough to prepare me for the exam or what books are recommeded,