Summary:
In this work, author presents a book (including all the sample code) to introduce the students to VTK, and lesser, to ITK.
Hypothesis:
NA
Evidence:
NA
Open Science:
This work is Open Science. Author provides a book for teaching and the source code of the examples. It is a good contribution to the community
Reproducibility:
I'm reading the book, but I haven't reproduced the examples yet. 
Use of Open Source Software:
Author has written the book for Open Source Toolkits, and he provides open source examples.
Open Source Contributions:
 He provides his source code for the examples.
Code Quality:
The code provided is multiple-platform. The code is easy to read and using a modern coding style.
Applicability to other problems:
This work can be used in all the medical areas.
Suggestions for future work:
No comments.
Requests for additional information from authors:
NA
Additional Comments:
A good documentation work.