Errata p48. Sentence before point 1 should say "you must use the Catalog Manager". p50. First paragraph is correct but not clear. You can sell a product without variants but not a product family. p50. Sentence before point 1 should say "you must use the Catalog Manager". p81. Point 6 should say open Catalog Manager not Commerce Server Manager. p82. Point 6 should say open Catalog Manager not Commerce Server Manager. p82. Point 9 should say "three properties" not "two properties". p211. There should be a space in 2003service. p266 Point 8 should refer to Calculate.cs not CommerceTax.cs. Take out space in GUID. p268 Point 12 should refer to IPipelineComponentAdmin not IPersistDictionary. p278 Fig 11-9 has the same figure as Fig 11-8. p442 first line should refer to ExtendedLineItem.dll. In the next edition it would be nice to have the chapter name in the running headings on the page.