The text is in good condition with no writing. LEGO Robot Assembly Reference Book A complete guide to building robots using LEGO MINDSTORMS EV3. - Title: THE LEGO MINDSTORMS EV3 LABORATORY - Author: daniele benedettelli - Contents: A guide to building, programming, and experimenting with 5 LEGO MINDSTORMS EV3 robots. - Target age: 7 years and up - Language: English The entire book is in English. It covers understanding gear mechanisms and includes many variations for skillfully incorporating parts. It also explains how to program the software. This book is a reference for practicing various combinations when creating robots. It also includes a wide range of ideas, which can be helpful. While it can be started by elementary school students, it's content that adults can also enjoy.