Selling well in local independent bookstores:

Between Silk and Cyanide: A Codemaker's War 1941-1945

By Leo Marks (Free Press, $27.50)

The memoirs of England's top cryptographer describe some of the war's most dramatic and secret operations. (NF)

The Colony of Unrequited Dreams

By Wayne Johnson (Doubleday, $24.95)

The fictional biography of a historical figure, Joe Smallwood, traces his Dickensian rise to power from a scholarship student to premier of Newfoundland. (F)

An Instance of the Fingerpost

By Iain Pears (Penguin, $7.99)

A murder mystery set in Oxford during the year 1663. (F)

A Rich Full Death

By Michael Didbin (Knopf, $12)

In 1855 Florence, when several members of the American and English expat community are murdered, Robert Browning takes on the case as a private investigator. (F)

The Sun King

By David Ignatius (Random House, $21.95)

A publishing mogul buys two large newspapers in the nation's capital in an underhanded ploy to woo his old Harvard flame, an icy-tongued journalist. (F)

Walkin' the Dog

By Walter Mosley (Little, Brown, $24.95)

The story of Socrates Fortlow, a philosophizing ex-con whose protests against a murderous, raping LAPD cop unintentionally spark a riot. (F)

Zarafa: A Giraffe's True Story, From Deep in Africa to the Heart of Paris

By Michael Allin (Dell, $9.95)

The bestseller lists this week are culled from information submitted by Barnes & Noble, Borders, Crown, Olsson's and Waldenbooks based on sales from 10/24 - 10/30. Numbers within brackets, e.g. [5], represent the total number of weeks on the list. The "Washington Is Also Reading" list is based on reports from Chapters, Chuck & Dave's, Maryland Book Exchange, Reprint, Trover and Vertigo. Book World bestsellers hotline is 202-334-9000, category code 4175. (11/21/99)