As you go through the book, whether it is simply to refresh a single or specific subject matter or it is to review the entire ATPL syllabus, you will find the book structured to give you maximum information using as few words as possible. The book uses key facts and bullet points to refresh your knowledge on the subject matter. Numerous pictures, tables, formulas and graphs are used as they contain vast amounts of information. Double-clicking on an object will allow pictures, graphs and tables to be enlarged for detailed viewing. The TOC makes it very easy to browse a certain chapter while the search option makes it easy to look for certain words, subjects, definitions, formulas etc. This book is based on EASA ATPL theory and all information is purely factual. It is an interpretation of the particular subject matter researched from multiple ATPL publications and combined with personal experience and inputs from aviation professionals. Within a couple of hours a complete subject matter can be covered.