Nano: The Essentials Chapter 1 Introduction Chapter 2 Experimental Methods Chapter 3Diversity in Nanosystems Chapter 4 Carbon Nanotubes Chapter 5Self Assembled Monolayers Chapter 6 Gas Phase Clusters Chapter 7 Semiconductor Quantum Dots Chapter 8 Monolayer Protected Nanoparticles Chapter 9 Core-Shell Nanoparticles Chapter 10 Nanoshells Chapter 11 Nanobiology Chapter 12 Nanosensors Chapter 13 Nanomedicine Chapter 14Molecular Nanomachines Chapter 15 Nanotribiology Chapter 16 Societical Implications