How do I solve 14 down in Daily Telegraph Cryptic 31253?

Question

Accepted Answer

14 down reads "Yes! Warm to mischievous adventurer!" (3,6 letters); the answer is TOM SAWYER. It's an anagram clue: the answer is a rearrangement of letters supplied by the clue itself. Look for an indicator like 'mixed', 'broken', 'cooked', or 'wild', and find a phrase whose letters add up to the answer's length. The full step-by-step breakdown is on this page.

Yes! Warm to mischievous adventurer! (3,6)

14D — Yes! Warm to mischievous adventurer! (3,6) — TOM SAWYER