Arnt Inge Vistnes is an Associate Professor in the Department of Physics, University of Oslo, Norway, which holds a unique position in the use of numerical methods within physics education. Dr. Vistnes was the first in the department to start using numerical methods on basic physics bachelor courses, in 1997, and accordingly has long experience in the ways in which numerical methods can im prove understanding of physics. He has an excellent reputation for his teaching ability and has won several prizes for good teaching. Dr. Vistnes first wrote Oscillation and Wave Physics in Norwegian to meet the need for a textbook suitable for fourth semester physics bachelor students. He has subsequently improved and added to the text and is personally responsible for most of the more than 250 illustrations in the book.