"Grateful acknowledgments" to various authors listed on copyright page.
"Cover art by Ken Kelly" on copyright page. Signature not found.
"Edited, Sequenced, and with an Introduction by the author" below author on title page.
Introduction ends with "F. Paul Wilson" (over) "The Jersey Shore, 1991".
"The Complete LaNague Chronology" is on page xi and is an unattributed list.
Healer is not presented as a novel, but as separate sections in chronological order to the other contents. Also the note on title page may mean there are other differences from previous publications.
Healer I is To Fill the Sea and Air, Asimov's SF Magazine 2/79.
Healer II is The Man with the Anteater, Analog 7/71.
Healer III, Higher Centers, Analog 4/71.
Part of the Locus entry. "with Healer broken up to fit chronologically in order. There is a new introduction plus a LaNague chronology."