Nasema Kiswahili "I speak Swahili," is a fully integrated Kiswahili language learning manual from the Beginner level to the Intermediate and the Advanced levels. The grammar of the language is well and clearly described. Each chapter is enriched with exercises and practice sections. The book will be very useful to Kiswahili learners at home and, more specifically, to learners in Kenya and Tanzania that need a full course in a single and clear book. The e-book version will also be helpful for moving people, expats, travellers, business(wo)men, tourists and students.