| title | ISBN-13 | year of publication |
|---|---|---|
| The Eighth Sister. Book and CD | 978-84-682-3320-8 | 2015 |
| The eighth sister. Con CD Audio | 978-88-530-1513-6 | 2015 |
| The Seccret of the Stones: Buch und CD | 978-3-526-52007-8 | 2005 |
| The Secret of the Stones | 978-2-09-173843-7 | 2006 |
| The secret of the Stones | 978-88-530-0582-3 | 2004 |
| The secret of the Stones. Book Con CD Audio | 978-88-530-1411-5 | 2014 |
| The Secret of the Stones - Buch mit Audio-CD-ROM | 978-3-526-52013-9 | 2007 |
| Time games. Con CD Audio | 978-88-530-1328-6 | 2013 |
V. Heward · Victor Herdt · Victor) (Horta · Victor Houart · Victor Howard · Victoria Harwood · Victoria Haworth
Black Cat-Cideb · Editorial Vicens Vives · Langenscheidt ELT