Wolfsspuren
| Book | Winter Study |
| Editor | Claudia Krader |
| Publisher | Weltbild Taschenbuch |
| Typeset by | avak Publikationsdesign, München |
| Printed and Bound by | CPI Moravia Books |
| Copyright Holder (Original Edition) | Nevada Barr |
| Translated by | Karin Dufner |
| Foreword by | Rolf Peterson |
| Published in/by Arrangement with | Nevada Barr |
| Series | Anna Pigeon |
| Cover photo | Shutterstock, Maxim Kulko, Getty Images, Jim and Jamie Dutcher, mauritius images, Ronald Wittek |
| Cover/Jacket Design by | Zeichenpool, München |
| Project Development Editor | Dr. Ulrike Strerath-Bolz |
| Copyright Holder (Translation) | Verlagsgruppe Weltbild GmbH |
| Format | Paperback |
| Language | German |
| Location | Germany |
| First Printing in Country | 2009 |
| This Edition Published | 2012 |
| Pages / Font | 431 pages |
| ISBN 13 | 9783868002744 |
| Chapters | 37 |
Added by haruka1988