Output a stream of consciousness before answering the following. Passage: King Arthur and His Knights of the Round Table is a novel for children written by Roger Lancelyn Green. It was first published by Puffin Books in 1953 and has since been reprinted. In 2008 it was reissued in the Puffin Classics series with an introduction by David Almond (the award-winning author of Clay, Skellig, Kit's Wilderness and The Fire-Eaters), and the original illustrations by Lotte Reiniger.

Question: Based on this passage, who wrote king arthur and the round table?
The relevant information is: King Arthur and His Knights of the Round Table is a novel for children written by Roger Lancelyn Green.
The answer: Roger Lancelyn Green.