A better clonable

Domain.cs

public class Book : ICloneable
{
    public string Title { get; set; }
    public String Description { get; set; }

    object ICloneable.Clone()
    {
        return new Book { Title = Title , Description = Description };
    }
}

public class Client
{
    public void Do()
    {
        Book myBook = new Book { Title = "Clone Wars", Description = "A book full of clones!" };
        Book cloneBook = myBook.Clone();
        // ...
    }
}

Infrastrucutre.cs

public interface ICloneable<T>
{
    T Clone();
}

public static class CloneableExtension
{
    public static T Clone<T>(this T obj) where T : ICloneable
    {
        if (obj == null)
            return default(T);

        return (T)obj.Clone();
    }
}