Part A Introduction.- 1 A history of organisation and ICT.- 2 Introduction to Enterprise Engineering.- 3 Introduction to Enterprise Ontology.- Part B Theories.- 4 The Enterprise Engineering theories.- 5 The FI theory - understanding factual knowledge and information.- 6 The MU theory - understanding models and modelling.- 7 The TAO theory - understanding function and construction.- 8 The PSI theory - understanding the operation of organisations.- 9 The DELTA theory - understanding discrete event systems.- 10 The OMEGA theory - understanding the construction of organisations.- 11 The ALPHA theory - understanding the essence of organisations.- Part C Applications.- 12 The DEMO methodology.- 13 Exercise case Fixit.- 14 Exercise case Pizzeria.- 15 Exercise case Rent-A-Car.- 16 Exercise case Library.- 17 Exercise case PoliGyn.- 18 Exercise case GloLog.- 19 Real-life applications of DEMO.- 20 DEMO enhanced method engineering.- Glossary.