gistfile1.cs

// Gets all items more expensive than £5.
var q = mongoContext.Query<Item>()
    .Where(x => x.Price)
    .IsGreaterThan(5);

// Gets all Smiths in the given cities.
var q2 = mongoContext.Query<Customer>()
    .Where(x => x.Name).IsEqualTo("Smith")
    .Where(x => x.City).IsIn("Bournemouth","Farnborough","London");