Hello, I just recently finished my mechanical engineering studies and i'm looking for an all around handbook that will help refresh my memory and find a general good paths to solving engineering problems. I have two books in mind and i would like an opinion on which one is more useful (both have good reviews). The Books: 1. Mechanical Engineering Reference Manual for the PE Exam, 12th Edition. Michael R Lindeburg. 2. Marks' Standard Handbook For Mechanical Engineers. Avallone, Eugene a. (edt) ,Baumeister, Theodore (edt), Sadegh, Ali m. I appreciate your suggestions and opinions. hank you in advance.