Editorial[50pt]Aims and scope of Reviews in EPJ A and EPJ C Thomas Walcher, Jochen Bartels, Dieter Haidt, Douglas H. Beck, Dieter Haidt and John Negele Eur. Phys. J. A, 30 3 (2006) I-II Published online: 22 December 2006 DOI: 10.1140/epja/i2006-10155-0