{
    "library": {
        "books": [
            {
                "title": "Structure and Interpretation of Computer Programs",
                "authors": [
                    "Abelson",
                    "Sussman"
                ],
                "isbn": "9780262510875",
                "price": 38.9,
                "copies": 2
            },
            {
                "title": "The C Programming Language",
                "authors": [
                    "Kernighan",
                    "Richie"
                ],
                "isbn": "9780131103627",
                "price": 33.59,
                "copies": 3
            },
            {
                "title": "The AWK Programming Language",
                "authors": [
                    "Aho",
                    "Kernighan",
                    "Weinberger"
                ],
                "isbn": "9780201079814",
                "copies": 1
            },
            {
                "title": "Compilers: Principles, Techniques, and Tools",
                "authors": [
                    "Aho",
                    "Lam",
                    "Sethi",
                    "Ullman"
                ],
                "isbn": "9780201100884",
                "price": 23.38,
                "copies": 1
            }
        ],
        "loans": [
            {
                "customer": "10001",
                "isbn": "9780262510875",
                "return": "2016-12-05"
            },
            {
                "customer": "10003",
                "isbn": "9780201100884",
                "return": "2016-10-22"
            }
        ],
        "customers": [
            {
                "id": "10001",
                "name": "Joe Doe",
                "address": {
                    "street": "2 Long Road",
                    "city": "Winchester",
                    "postcode": "SO22 5PU"
                }
            },
            {
                "id": "10002",
                "name": "Fred Bloggs",
                "address": {
                    "street": "56 Letsby Avenue",
                    "city": "Winchester",
                    "postcode": "SO22 4WD"
                }
            },
            {
                "id": "10003",
                "name": "Jason Arthur",
                "address": {
                    "street": "1 Preddy Gate",
                    "city": "Southampton",
                    "postcode": "SO14 0MG"
                }
            }
        ]
    }
}