The book is about classroom assessment strategies. Especially, investigating the way that the teachers deliver the questions to the students. The book focuses on the two main types of assessment. Formative assessment which requires to provide feedback to the students. Formative assessment is practiced every lesson in every day. The second type of assessment is that summative assessment which usually happens at the end of the lesson or unit or semester. Additionally, the book differentiates between these two types and continuous assessment. It gave a model to unpack the overlap between formative assessment and continuous assessment. The main factor of identifying this distinguishes is diagnostic characteristic.