Explanation:

- Roald Dahl: 'Boy: Tales of Childhood' is indeed written by Roald Dahl. It's an autobiographical book that recounts his childhood experiences in Wales and boarding school adventures.

- Mark Twain: Known for classics like 'The Adventures of Tom Sawyer' and 'Adventures of Huckleberry Finn', Twain primarily focused on American life in his writings and not personal childhood stories.

- Ruskin Bond: An Indian author known for his children's books and novels set in India, Bond wrote autobiographical pieces like 'Scenes from a Writer’s Life' but not 'Boy: Tales of Childhood.'

- Lewis Carroll: Famous for 'Alice's Adventures in Wonderland', Carroll's work is mainly fictional and whimsical, not autobiographical childhood tales.