An introductory book for learning the basics of C# programming. - Title: Naruhodo Nattoku C# Nyumon (I See, I Understand C# Introduction) - Author: Hideyuki Idei - Series: Shin-Hyojun Programmers Library (New Standard Programmers Library) There are no markings inside, but there is some wear and tear on the cover. Please consider this as a used item. Thank you for looking.