Then comes the most wonderful Parva named Karna. In it is described the appointment of king of the Madra as the charioteer (of Karna).
अतः परं कर्णपर्वं प्रोच्यते परमाद्भुतम्। सारथ्ये विनियोगश्च मद्रराजस्य धीमतः॥