1. Synthesis.Microgels and their synthesis: an introduction /Robert Pelton, Todd Hoare --Polymerization kinetics of microgel particles /Abdelhamid Elaissari, Ali Reza Mahdavian --New functional microgels from microfluidics /Jin-Woong Kim, Liang-Yin Chu --2. Physical properties of microgel particles.Swelling thermodynamics of microgel particles /Benjamin Sierra-Martin, Juan Jose Lietor-Santos, Antonio Fernandez-Barbero, Toan T Nguyen, Alberto Fernandez-Nieves --Determination of microgel structure by small-angle neutron scattering /Walter Richtering, Ingo Berndt, Jan Skov Pedersen --Interactions and colloid stability of microgel particles /Brian Vincent, Brian Saunders --3. Phase behavior and dynamics of microgel suspensions.Structure and thermodynamics of ionic microgels /Christos N Likos --Elasticity of soft particles and colloids near the jamming threshold /Matthieu Wyart --Crystallization of microgel spheres /Zhibing Hu --Melting and geometric frustration in temperature-sensitive colloids /Ahmed M Alsayed, Yilong Han, Arjun G Yodh --4.Mechanical Properties.Yielding, flow, and slip in microgel suspensions: from microstructure to macroscopic rheology /Michel Cloitre --Mechanics of single microgel particles /Hans M Wyss, Johan Mattsson, Thomas Franke, Alberto Fernandez-Nieves, David A Weitz --Rheology of industrially relevant microgels /Jason R Stokes --5. Applications.Exploiting the optical properties of microgels and hydrogels as microlenses and photonic crystals in sensing applications /L Andrew Lyon, Grant R Hendrickson, Zhiyong Meng, Ashlee N St John Iyer --Microgels in drug delivery /Martin Malmsten --Microgels for oil recovery /Yuxing Ben, Ian Robb, Peng Tonmukayakul, Qiang Wang --Applications of biopolymer microgels /Eugene Pashkovski.