General books on computer-aided design (CAD) with a focus on Calculations.
Statics, Dynamics, Mechanics of Materials, Manufacturing Processes, Materials, Functional Dimensions, ISO GPS/ASME, calculations and choice of Standards (Screws, Bearings, Gears, etc.)...
References: Machine Design - An Integrated Approach - Machinery's Handbook - Guide de Mécanique - Guide du calcul en mécanique.
For a more advanced level see: Mechanical Engineering.