With contributions by: Martin Rettenberger, Mark E. Olver, L. Maaike Helmus, Reinhard Eher; R. Karl Hanson; Lisanne Breiling, Martin Rettenberger, Daniel Turner; David Thornton, Sabrina Eberhaut, Gina Ambroziak, Reinhard Eher; Maja Henek, Ross M. Bartels; John R. Thorne, Rebecca L. Fix; Charlotte A. Aelick, Kelly M. Babchishin, Andrew J. R. Harris; Brandon Sparks, Farron Wielinga, Sandy Jung, Mark Olver; Talia Etgar, Noam Neder; Catherine Garrington, Hannah Merdian, Douglas P. Boer; Isaac M. Cormier, Skye Stephens, Sonja Svensson, Angela Connors