WE SPEAK NO TREASON by ROSEMARY HAWLEY JARMAN 576 pages. Little, Brown. $8.95.
THE KILLING OF RICHARD III by ROBERT FARRINGTON 287 pages. Scribners. $5.95.
"That bottled spider," Shakespeare called the last Plantagenet. "That pois'nous bunch-back'd toad." Other Tudor chroniclersvariously declaring that he arranged the murder of his brother, poisoned his own wife, usurped the throne from his two young nephews and ordered them to be smothered in the Tower of London have made Richard III Britain's very own Ivan the Terrible.
But there is another Richard, the man behind the monster mask of...