Something strange is happening in the wizarding world: potions don’t work, spells come out backwards, and on top of all, Madame Prune has disappeared! Following her trail, Anna and her friends travel to the distant valley from which magic springs and discover that something is making the unicorns sick…
| Technical data | Publish date: 23 november 2022 ISBN: 978-84-08-26015-8 Pages: 192 Imprint: Destino Infantil & Juvenil |
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| Rights sold | DeAgostini (Italy) |