Sinclair, Marianne, 1940- Sinclair, Marianne, 1940- Watcher in the park. - London, Cape, 1968. ISBN: 022461360X 22/6 LCCN: 79374181 Nat. Bib. No.: B68-19944 LC Class. No.: PZ4.S6157 PR6069.I53 / Wat Dewey Class. No.: 823