Engineering Mechanics Statics & Dynamics by R. C. Hibbeler

If someone asks me about the best basic book for Engineering Mechanics, I will highly recommend Engineering Mechanics Statics & Dynamics by R. C. Hibbeler. 

And you can download its latest (13th) Edition at:
Engineering Mechanics Statics 13th Edition
Engineeing Mechanics Dynamics 13th Edition
Or online reading for free:
Engineering Mechanics Statics 13th Edition
Engineering Mechanics Dynamics 13th Edition