• first to provide exam data-mining in study guide • allow students to focus on most examined concepts – cut study time and increase efficiency • an expert guide to lead one through abstract knowledge and wisdom • provides exact, accurate, complete and independent self–education • holistic question–answering techniques • exact definitions • complete and concise eBook editions available • Books available for other subjects including Physics, Chemistry, Biology, Mathematics, Economics, English • Primary level, Secondary level, GCE O-level, GCE A-level, iGCSE, Cambridge A-level, Hong Kong DSE • visit www.yellowreef.com for sample chapters and more

• important for accurate self-education • provide expert guidance • enable students to acquire competence as fast as possible • Complete edition and concise edition eBooks available

• first to provide exam data-mining in study guide • allow students to focus on most examined concepts – cut study time and increase efficiency • an expert guide to lead one abstract knowledge and wisdom • provides exact, accurate, complete and independent self–education • the only guide currently that covers Planning Questions • advanced trade book • also suitable for • Cambridge GCE AL (H1/H2) • Cambridge International A & AS Level • Cambridge Pre-University • Books available for other subjects including Physics, Chemistry, Biology, Mathematics, Economics, English • Primary level, Secondary level, GCE O-level, GCE A-level, iGCSE, Cambridge A-level, Hong Kong DSE • visit www.yellowreef.com for sample chapters and more

• according to syllabus for exam up to year 2017 • provides the expert guide to lead one through this highly demanding knowledge requirement • clear and easy-to-understand explanation of concepts • buy print edition online at www.yellowreef.com to enjoy attractive discounts • complete eBook edition and concise eBook edition available • also suitable for • Cambridge GCE AL (H1/H2) • Cambridge International AL • Cambridge Pre-University • Books available for other subjects including Physics, Chemistry, Biology, Mathematics, Economics, English • Primary level, Secondary level, GCE O-level, GCE A-level, iGCSE, Cambridge A-level, Hong Kong DSE • Concise eBooks are tailored for quick revision, whereas Complete eBooks are for detailed studies • visit www.yellowreef.com for sample chapters and more

• the expert guide to lead one through this highly demanding knowledge requirement • clear and easy-to-understand explanation of concepts • include Planning and Data Analysis question answering techniques • advanced trade book with data-mining and teachers’ comments • buy print edition online at www.yellowreef.com to enjoy attractive discounts • also suitable for • Cambridge GCE AL (H1/H2) • Cambridge International AL • Cambridge Pre-University • visit www.yellowreef.com for updates, sample chapters and more

• questions from top schools & colleges since 2008 • exposes “surprise & trick” questions • complete answer keys • most efficient method of learning, hence saves time • arrange from easy-to-hard both by topics and question-types to facilitate easy absorption • full set of step-by-step solution approaches (available separately) • advanced trade book • complete and concise eBook editions available • also suitable for • Cambridge GCE AL (H1/H2) • Cambridge International A & AS Level • Books available for other subjects including Physics, Chemistry, Biology, Mathematics, Economics, English • Primary level, Secondary level, GCE O-level, GCE A-level, iGCSE, Cambridge A-level, Hong Kong DSE • visit www.yellowreef.com for sample chapters and more

• according to syllabus for exam up to year 2017 • completely covers all question-types since 2003 • full set of step-by-step solution approaches (sold separately) • answer keys provided • provides teachers’ comments revealing common mistakes & wrong habits • buy print edition online at www.yellowreef.com to enjoy attractive discounts • complete eBook edition and concise eBook edition available • also suitable for • Cambridge GCE AL (H1/H2) • Cambridge International AL • Cambridge Pre-University • Books available for other subjects including Physics, Chemistry, Biology, Mathematics, Economics, English • Primary level, Secondary level, GCE O-level, GCE A-level, iGCSE, Cambridge A-level, Hong Kong DSE • Concise eBooks are tailored for quick revision, whereas Complete eBooks are for detailed studies • visit www.yellowreef.com for sample chapters and more