: While Vallejo is widely known for science fiction, reviewers from La Nave Invisible note that this work is firmly rooted in the fantasy and ecological fable genres .

The novel functions like a "matryoshka doll," with stories nested within stories . Each day, the guardian and Tatiana tell Sergei a new tale, revealing the history of the garden and the family that built it, the Borisovs .

is a modern fable by Susana Vallejo that follows a young boy named Sergei who discovers a hidden, magical garden in the middle of the city . Over nine days, Sergei visits this lush sanctuary, where he befriends a mysterious girl named Tatiana and the garden's elderly guardian, often referred to as the "Fierce Bear" . The Structure of the Story