Physics of biological oscillators : new insights into non equilibrium and non autonomous systems This book based on a selection of invited presentations from a topical workshop focusses on time variable oscillations and their interactions. The problem is challenging because the origin of the time variability is usually unknown. In mathematical terms the oscillations are non autonomous reflecting the physics of open systems where the function of each oscillator is affected by its environment. Time frequency analysis being essential recent advances in this area including wavelet phase coherence analysis and nonlinear mode decomposition are discussed. Some applications to biology and physiology are described. Although the most important manifestation of time variable oscillations is arguably in biology they also crop up in e.g. astrophysics or for electrons on superfluid helium. The book brings together the research of the best international experts in seemingly very different disciplinary areas. .