
 Amazon.com: Erdos on Graphs : His Legacy of Unsolved Problems: Books: Fan Chung,Ronald L. Graham,Ron Graham (Site not responding. Last check: 20071014) 
  SIPs: infinite chromatic number, acyclic colorings, list chromatic index, hypergraph problems, made bipartite (more) 
  One of the main treasures Paul Erdos left us is his collection of problems, most of which are still open today. 
  infinite chromatic number, acyclic colorings, list chromatic index, hypergraph problems, made bipartite, chromatic graphs, extremal graph theory, critical graphs, partition relations, regularity lemma, monochromatic triangles, combinatorial number theory, infinite graphs, finite subgraphs, favorite problems, giant component, extremal problems, dense graphs, random graph, edge density, chromatic numbers, subgraph isomorphic, sparse graphs, isolated vertices, coloring problems 
 www.amazon.com /ErdosGraphsLegacyUnsolvedProblems/dp/156881111X (1172 words) 
