This book is part of the semi-fictional story from the Carnsa Development Series. This story is focused on models used in projects to support analysis and communication. The Carnsa family provide scenarios to help support understanding.After a mix up over the term 'modelling', Claudia, a business analyst (BA), has to come up with an explanation suitable for a group of young school children. Granny is concerned about the content, and level of interest. She does not like the thought of an embarrassed grandson. This book is chock-full of information, references, links, and a quiz to help you:Work effectively with BA'sIdentify the right model at the right time for a projectFormally published as Model Confusion: A Guide to Models Used by Business Analysts