The short workshop focused on algebro-combinatorial and other mathematical structures in the perturbative renormalization of quantum field theory, and the longer conference the following year explored algebraic and combinatorial aspects in modern physics more broadly. The 22 papers, include discussions of one-particle irreducibility with initial correlations, primitive elements in the Hopf algebra of free quasi-symmetric functions, Magnus expansions and beyond, not so non-renormalizable gravity, a combinatorial and field theory path to quantum gravity, and multi-scale analysis and non-commutative field theory. They are not indexed. Annotation ©2011 Book News, Inc., Portland, OR (booknews.com)