Solitons are the most important concept in nonlinear dynamics. This is covered in this book from fundamentals to recent developments. The book presents a self-contained treatment of the subject to suit the needs of students, teachers and researchers in physics, mathematics, engineering and applied sciences who wish to gain a broad knowledge of nonlinear dynamics. This book provides an introduction to the new science of nonlinear physics for advanced undergraduates, beginning graduate students, and researchers entering the field.