"Foster home care Fiction." . . "Family problems Juvenile fiction." . . "Secrecy." . . "Secrecy Juvenile fiction." . . "Politics, Practical Fiction." . . "Politics, Practical Juvenile fiction." . . "Mystery and detective stories." . . "Human behavior Fiction." . . "Secrets Fiction." . . "Mothers and daughters Fiction." . . "Human behavior." . . "Human behavior Juvenile fiction." . . "Mothers and daughters Juvenile fiction." . . "Friendship Juvenile fiction." . . "Foster home care Juvenile fiction." . . "Nonconformistsi Fiction." . . "Best friends Juvenile fiction." . . "Friendship." . . "Friendship Fiction." . . . . "Schools Fiction." . . "Best friends Fiction." . . "Secrecy Fiction." . . "Behavior Fiction." . . . . . . . . . "Detective and mystery stories" . . . . . "Elvis & Olive. Super detectives"@en . . "In spite of their differences, Natalie Wallis and Annie Beckett become friends and decide to spend their summer spying on their neighbors."@en . "In spite of their differences, Natalie Wallis and Annie Beckett become friends and decide to spend their summer spying on their neighbors." . . . "Powieść amerykańska dla młodzieży"@pl . . . . . . "Elvis & Oliwka"@pl . "Elvis & Olive : super detectives" . . . . "Fiction" . "Fiction"@en . . . . "Juvenile works" . "Juvenile works"@en . . "Mystery and detective stories" . "Super detectives" . "Super detectives"@en . . . "When best friends Natalie, age ten, and Annie, nine, form a detective agency to solve neighborhood mysteries, Natalie hopes it will help her win a school election, while Annie seeks the mother who abandoned her."@en . "When best friends Natalie, age ten, and Annie, nine, form a detective agency to solve neighborhood mysteries, Natalie hopes it will help her win a school election, while Annie seeks the mother who abandoned her." . "Elvis and Olive" . "Elvis and Olive"@en . . . . "Elvis i Oliwka"@pl . . . . . . "Elvis & Olive" . "Elvis & Olive"@en . . . . . . . . . . . . . . . . . . . . . . . . . .