Convinced that the grounds were haunted , they decided to publish their findings in a book An Adventure -LRB- NUMBER@1 -RRB- , under the pseudonyms of PERSON@1 and PERSON@2 .

Convinced that the grounds were haunted , they decided to publish their findings in a book An Adventure -LRB- NUMBER@1 -RRB- , under the pseudonyms of PERSON@1 and PERSON@3 .
