Spine-Tingling Mysteries for Kids (Carrie Kelley, Sandy Library, Salt Lake County Library System, UT): By age level (young readers, middle, older), list of about 70 books with author, title, page count, and summary for each. Compiled Sept. 1999.
Mystery Booklist (Ferguson Online, Stamford Public Library, CT): Author, title, one-line summary of mystery books for grades 1-2, grades 3-4, and grades 5+. Over 40 titles in all.
Mystery (Los Angeles Public Library): Author, title, and one-line summary of about 20 mystery books for younger readers (from David A. Adler's Cam Jansen series to Jane Yolen's Piggins) and about 25 mystery books for older readers (from Avi's Windcatcher to Laurence Yep's Case of the Goblin Pearls).
Youth Mystery and Detective Stories (Novi Public Library, MI): Author, title, grade level (from grades 2-10), summary for over 70 books, from David Adler's Cam Jansen and the Chocolate Fudge Mystery to Betty Wright's Christina's Ghost.
Great Mysteries for Children (Weber County Library, Utah): Author, title, brief summary, and webcat link for about 30 recommended mysteries, from David Adler's Cam Jansen and the Scary Snake Mystery to Betty Ren Wright's The Dollhouse Murders.
Marvelous Mysteries (Penticton Public Library, British Columbia): Provides author, title, summary for almost 20 books, from Cam Jansen and the Barking Treasure Mystery by David A. Adler to The Lost Treasure of Casa Loma (Tom and Liz Austen Mysteries) by Eric Wilson.
Mysteries (Bay Shore Brightwaters Public Library, NY): Author, title, summary, publication year, grade level for 15 mysteries, from Dana Brookins' Who Killed Sack Annie? to Willo Davis Roberts' Twisted Summer. Books published from 1972-1998.
Mystery Booklist for Kids (Meg Cupman - Peninsula Library System, CA): Author, title, summary of about 10 mystery books for kids in grades 1-4, and about 20 mysteries for kids in grades 4-8. Series are noted. Compiled 2000.
Mysteries for Kids (Houston Public Library): Lists authors, titles, brief summary, by grade level.
Mysteries (Naperville Public Library, IL) : Author, title, publication year, and summary for 15 books; plus a short list of mystery series; and a list of mystery authors. From Laura Allen's Rollo and Tweedy and the Ghost at Dougal Castle to Bill Wallace's Blackwater Swamp.
Thrills and Chills with Junior Sleuths (Renton Public Library, WA): Author, title, and webcat link for about 25 books, from David Adler's Cam Jansen and the Mystery of the Dinosaur Bones to Betty Wright's The Dollhouse Murders. Also includes a few non-fiction titles on detection and mystery-solving.
Mystery and Suspense (Cary Memorial Library, Lexington, MA): (PDF - 13 pages) Author and title (no summaries) for over 250 mysteries for children, organised by age group.
Mystery Stories (The Public Library of Cincinnati and Hamilton County, OH): Author and title only for about 30 mystery books for young, middle, and older readers, from Young Cam Jansen and the Ice Skate Mystery by David A. Adler to Too Many Secrets by Betty Ren Wright.
Picture Book Mystery Stories (Sarah S. Wright, Monroe County Public Library, IN): Provides author, title, and brief summary of about 30 books. Compiled May 1999.
Children's Corner: Mystery (Bettendorf Public Library, IA): Lists author's last name and title for about 40 picture books, easy chapter books, and chapter books that tell a mystery story. Titles include Gertrude, the Bulldog Detective by Christelow, the Casebusters Series by Nixon, and The Missing 'Gator of Gumbo Limbo by George.
Chapter Books Mystery Stories (Sarah S. Wright, Monroe County Public Library, IN): Provides author, title, and brief summary of about 140 books or series. Compiled May 1999.
Mysteries for Grades 2-4 (Sharon Karpiel, Elmhurst Public Library, IL): Author, title, page count, and summary for 23 mysteries for this age group, from David Adler's Cam Jansen and the Mystery of the Stolen Diamonds to Gertrude Warner's The Mystery of the Hidden Painting.
Mystery and Detective Stories (Bloomfield Township Public Library, MI): Author, title, and short summary of books with an element of mystery (not all are traditional mysteries) for grades 3-6 (J and Y level books), from Liz Berry's The China Garden to Mary Zambreno's Journeyman Wizard. Over 55 books listed.
Mysteries for Grades 4-6 (Sharon Karpiel, Elmhurst Public Library, IL): Author, title, page count, and summary for 32 mysteries for this age group, from Avi's Man from the Sky to Betty Ren Wright's The Dollhouse Murders.
Literature Connections: Mysteries (Teaching and Learning Celebrations): Grades 5-12. Suggested mysteries, with publication info and summaries. Over 15 books, from Avi's The True Confessions of Charlotte Doyle to Case of the Goblin Pearls by Laurence Yep.