New York: Dial Press, (2004,) dj. Hardcover first edition - The authors' first book, a literate mystery and a coming-of-age story set at Princeton - like Brown's 'The Da Vinci Code', this involves a secret which has been protected by the deaths of many over the centuries. Nelson DeMille said 'if Scott Fitzgerald, Umberto Eco and Dan Brown teamed up to write a novel, the result would be 'The Rule of Four' - an extraordinary and brilliant accomplishment - a must-read.' Went quickly into later printings. 372 pp. ISBN: 0-385-337116.

New York: Dell, (2005,). The authors' first book, a literate mystery and a coming-of-age story set at Princeton - like Brown's 'The Da Vinci Code', this involves a secret which has been protected by the deaths of many over the centuries. Nelson DeMille said 'if Scott Fitzgerald, Umberto Eco and Dan Brown teamed up to write a novel, the result would be 'The Rule of Four' - an extraordinary and brilliant accomplishment - a must-read.'. ISBN: 0-385-337116.

New York: Dial Press, (2004,) dj. Hardcover first edition - The authors' first book, a literate mystery and a coming-of-age story set at Princeton - like Brown's 'The Da Vinci Code', this involves a secret which has been protected by the deaths of many over the centuries. Nelson DeMille said 'if Scott Fitzgerald, Umberto Eco and Dan Brown teamed up to write a novel, the result would be 'The Rule of Four' - an extraordinary and brilliant accomplishment - a must-read.' Went quickly into later printings. 372 pp. ISBN: 0-385-337116.

New York: Dial Press, (2004,) dj. Hardcover - The authors' first book, a literate mystery and a coming-of-age story set at Princeton - like Brown's 'The Da Vinci Code', this involves a secret which has been protected by the deaths of many over the centuries. Nelson DeMille said 'if Scott Fitzgerald, Umberto Eco and Dan Brown teamed up to write a novel, the result would be 'The Rule of Four' - an extraordinary and brilliant accomplishment - a must-read.'. ISBN: 0-385-337116.

Racine, WI: Whitman, (1956.). Hardcover - The 5th and last book in this series by the author who is best known for the early Trixie Belden books. Ginny and her friends have a club called the Hustlers, and they operate a bookstall where they rent books. As this mystery begins they are preparing for a used booksale, and a rare book which was accidently included among the donations is missing. Illustrated by Margaret Wesley. 282 pp plus 2 pp publisher's ads.

Racine, WI: Whitman, (1956.). Hardcover - The 5th and last book in this series by the author who is best known for the early Trixie Belden books. Ginny and her friends have a club called the Hustlers, and they operate a bookstall where they rent books. As this mystery begins they are preparing for a used booksale, and a rare book which was accidently included among the donations is missing. Illustrated by Margaret Wesley. 282 pp plus 2 pp publisher's ads.

New York: St Martin's, (1984) dj. SIGNED hardcover first edition - The author's hard-to-find first mystery, introducing Ellie Simons, a talented interior designer - and a fat girl. She rents an "escort" for a family gathering, only to find that her uncle has bequeathed his estate to her and Ben, but with four conditions. SIGNED on the title page. 242 pp. ISBN: 0-312800053.

New York: Dutton, (2007.) dj. SIGNED hardcover first edition - The author's highly praised first mystery (second book), a suspense filled novel about a long lost Shakespeare play and a vicious killer. INSCRIBED on the title page "For --- Hope you enjoy the adventure!" 416 pp. ISBN: 9790525949701.

New York: Dutton, (2007.) dj. SIGNED hardcover first edition - The author's highly praised first mystery (second book), a suspense filled novel about a long lost Shakespeare play and a vicious killer. INSCRIBED on the title page "For --- Here's to those who love libraries!" 416 pp. ISBN: 9790525949701.

New York: Warner, (2001.). SIGNED first edition - Mystery set in New York City where Regan Reilly's celebrity author mother has organized a crime writers convention. When signing this, Clark noted that only the ARC has the twin towers of the World Trade Center in the cityscape illustration on the front cover.

New York: Walker, (1974.) dj. Hardcover first edition - Her third book a mystery involving two novelists. 190 pp. ISBN: 0-8027-53205.

New York: Harper Collins, (2001) dj. SIGNED hardcover first edition - A very funny first novel, a story of literary fraud - satire combined with gripping suspense. SIGNED on the title page. 254 pp. ISBN: 0-06-0194170.

New York: Walker, (1985) dj. SIGNED hardcover first edition - Fourth novel set in Port City, Iowa, featuring Mallory, a writer of detective stories, who somehow finds that real life crime distracts him from his fictional crime. SIGNED on the title page. 174 pp. ISBN: -802756298.

New York: Walker, (1985) dj. SIGNED hardcover first edition - Fourth novel set in Port City, Iowa, featuring Mallory, a writer of detective stories, who somehow finds that real life crime distracts him from his fictional crime. SIGNED on the title page. 174 pp. ISBN: -802756298.

New York: St Martin's, (1989.) dj. Hardcover first edition - The second mystery novel set at a small college in a small town in Texas - a world Crider knows well as the chair of English literature at Texas college. Features the perpetual worrier, Professor Carl Burns, who has been assigned to head up a seminar organized to honor a former professor, turned Hollywood celebrity. 196 pp. ISBN: 0-312033281.

New York: Random House, (1990) dj. Hardcover first edition - LIterary murder mystery featuring Kate Fansler, professor-cum-amateur sleuth. 229 pp. ISBN: 0-394-587855.

New York: Dutton, (1986) dj. Hardcover first edition - The eighth literate mystery featuring English professor/sleuth Kate Fansler. ISBN: 0-525-244328.

New York: Dutton, (1986) dj. Hardcover first edition - The eighth literate mystery featuring English professor/sleuth Kate Fansler. ISBN: 0-525-244328.

New York: Dutton, (1984) dj. Hardcover first edition - The 7th literate mystery featuring English professor/sleuth Kate Fansler. ISBN: 0-525-242414.

New York: Dutton, (1982.) dj. Hardcover - Reissue of the second literary murder mystery featuring Kate Fansler, and involving a cache of papers from D.H. Lawrence, James Joyce (including an unpublished manuscript), and other eminent writers found in the estate of a recently deceased publisher. 174 pp. ISBN: 0-525-241019.

New York: Dutton, (1989) dj. Hardcover first edition - LIterary murder mystery featuring Kate Fansler, professor-cum-amateur sleuth. 154 pp. ISBN: 0-525-089357.

New York: Dutton, (1982.) dj. Hardcover - Reissue of the second literary murder mystery featuring Kate Fansler, and involving a cache of papers from D.H. Lawrence, James Joyce (including an unpublished manuscript), and other eminent writers found in the estate of a recently deceased publisher. 174 pp. ISBN: 0-525-241019.

New York: Alfred A. Knopf, 1996. dj. Hardcover first edition - LIterary murder mystery featuring Kate Fansler, professor-cum-amateur sleuth. 197 pp. ISBN: 0-525-089357.

New York: Alfred A. Knopf, 1996. dj. Hardcover first edition - LIterary murder mystery featuring Kate Fansler, professor-cum-amateur sleuth. 197 pp. ISBN: 0-525-089357.

New York: Macmillan, (1967) dj. Hardcover first edition - True first edition of the second literary murder mystery featuring Kate Fansler, and involving a cache of papers from D.H. Lawrence, James Joyce (including an unpublished manuscript), and other eminent writers found in the estate of a recently deceased publisher. 176 pp.

New York: Alfred A. Knopf, 1970. dj. Hardcover first edition - The third literary murder mystery featuring Professor Kate Fansler, and her fiance Reed Amhearst of the District Attorney's office. This one finds her in thrall to the poetry of W. H. Auden. 177 pp.

New York: Avon, (1993). First edition - The author's first novel - "Satan has risen. and just in time for tea". Set in London, psychic Audrey Arbuthnot is hired to bid for the mysterious Book of Shadows at a Sotheby auction. 182 pp. Cover art by James Warren. ISBN: 9780380769933.

London: Collins Crime Club , (1978) dj. Hardcover first edition - Mystery featuring Dave Cannon, an American rare book and antiques dealer, who finds himself turning detective again when a Cotscombe dealer in antiquities with a slightly tarnished reputation is found dead at his desk. 170 pp. Dust jacket art by Colln Thomas. ISBN: 0-002315882.

London: Collins Crime Club , (1975.) dj. Hardcover first edition - Mystery featuring Dave Cannon, an American rare book and antiques dealer, who after a fruitless buying trip in Wales finds himself stranded in a border town where he is offered a bowl the owner claimed was the Holy Grail. The seller is found dead - hanged - the next day and Cannon finds himself in danger. 192 pp. Dust jacket art by B. H. Payne. ISBN: 0-002311763.

New York: Charles Scribner's Sons, (1969.) dj. Hardcover first edition - The author's second mystery featuring Dave Cannon, a young American rare book dealer. Set in a small English village, the story begins with the theft of a silver chalice and involves a 'notorious Satanist', Tristram Vail. 210 pp.