Reinventing Gravity: A Physicist Dares to Challenge Einstein, by John W. Moffat (Collins, 2007, $27.95). A bold revision of one of the most successful theories of all time: Einstein’s theory of relativity.

How Math Explains the World: A Beginner’s Guide to the Power of Numbers, From Car Repair to Modern Physics, by James D. Stein (Collins, 2007, $24.95). The story of how math weaves the world together and the unexpected ways discovery leads to innovation.

Contributions to Zoology, Number 625, A Revision of the New World Plant-Mining Moths of the Family Opostegidae (Lepidoptera: Nepticuloidea), by Donald R. Davis and Jonas R. Stonis (Smithsonian Institution Scholarly Press; Nov. 13, 2007; 212 pages, 522 figures). Systematics, morphology and distribution for the 91 species and two subspecies of New World Opostegidae.

Among the Cannibals: Adventures on the Trail of Man’s Darkest Ritual, by Paul Raffael (Collins, 2007, $25.95). A mix of armchair travel, history and an anthropological look at cannibalism.

The Star-Spangled Banner: The Making of an American Icon, by Lonn Taylor with Kathleen Kendrick and Jeffrey Brodie (Collins, 2007, $29.95). The story of the flag that inspired the national anthem and became an unparalleled national treasure.

The Kennedys Amidst the Gathering Storm: A Thousand Days in London, 1938-1940, by Will Swift (Collins, 2007, $26.95). A dramatic look at Ambassador Joseph Kennedy and his family’s years in England.

Smithsonian Atlas of World Aviation: Charting the History of Flight From the First Balloons to Today’s Most Advanced Aircraft, by Dana Bell (Collins, 2007, $39.95). An oversized, full-color book filled with the greatest stories in aviation history that offers a unique look into the complete world history of flight.

On My Journey: Paul Robeson's Independent Recordings (Smithsonian Folkways Recordings, 2007, $15). Recorded on his own Othello label in the 1950s, Robeson’s voice rings out in these traditional spirituals and folk melodies.

On the Right Road Now, The Paschall Brothers (Smithsonian Folkways Recordings, 2007, $15). Silken voices, intricate harmonies and divinely inspired passion mark the sound of this classic Virginia Tidewater quartet.

The Country Gentlemen: Going Back to the Blue Ridge Mountains (Smithsonian Folkways Recordings, 2007, $15). This reissue of the Country Gentlemen’s 1973 album catches the band—Charlie Waller, John Duffey, Eddie Adcock and Tom Gray—in its prime.

Books listed on pages 14 and 15 can be ordered through online book vendors or purchased in bookstores nationwide. Contributions Series volumes are free online at the Web address www.sil.si.edu/smithsonian contributions, and print versions can be requested by e-mail to schol.press@si.edu.

Recordings can be ordered from Smithsonian Folkways Mail Order, Smithsonian Folkways Recordings Dept. 0607, Washington, D.C. 20073-0607. To order by phone, call (800) 410-9815 or (202) 275-1143.