This essential textbook, 'Al-Moasser in Contemporary Mathematics Level Two,' co-authored by Mohammed Al-Lahham and a team of experts, provides a thorough exploration of modern mathematical principles for second-level students. Published in 2015, the book is structured to build a strong foundation in key topics, featuring clear explanations, solved examples, and extensive exercises to reinforce learning and prepare students for advanced studies. It serves as an indispensable resource for both students and educators seeking a comprehensive and accessible approach to contemporary mathematics, making complex concepts understandable and engaging.