The Science of Citizen Science / by Vohland, Katrin, editor 642575, Land-Zandstra, Anne, editor 642576, Ceccaroni, Luigi, editor 642577, Lemmens, Rob, editor 642578, Perello, Josep, editor 642579, Ponti, Marisa, editor 642580, Samson, Roeland, editor 642581, Wagenknecht, Katherin, editor 642582