ISBNs beginnend mit 978-3-8466-xxxx-xJackie May × Underworld Chronicles - VerfluchtBuch 1Jackie MayONEHardcover2021 Underworld Chronicles - GejagtBuch 2Jackie MayONEHardcover2021 Underworld Chronicles - ErwachtBuch 3Jackie MayONEHardcover2022 Underworld Chronicles - BefreitBuch 4Jackie MayONEHardcover2022