# Define a schema for a book management system

# Input type for a book
input BookInput @inaccessible {
  title: String!
  author: String! @inaccessible
  publishedYear: Int
  genre: String
}

# Book type
type Book {
  id: ID!
  title: String!
  author: String!
  publishedYear: Int
  genre: String
}

# Root query type
type Query {
  getBook(id: ID!): Book
}

# Root mutation type
type Mutation {
  addBook(input: BookInput! @inaccessible): Book
  updateBook(id: ID!, input: BookInput! @inaccessible): Book
}