| GMD | Text |
| Classification | 818.52 SAV |
| Publisher | New York, Yearling Book, c2018. |
| Subject | Mystery and detective stories.Yeti--Fiction.Friendship -- Fiction.Individuality -- Fiction.Single-parent families -- Fiction.Orphans -- Fiction.Grandfathers -- Fiction. |
| Description | 308 p ; 22 cm |
| ISBN | 9781524700157 |