How do I solve 12 across in Times Cryptic 29548?

Question

Accepted Answer

12 across reads "Short and torrid novel, one by Dickens" (6,6 letters); the answer is LITTLE DORRIT. 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.

Short and torrid novel, one by Dickens (6,6)

12A — Short and torrid novel, one by Dickens (6,6) — LITTLE DORRIT