It's strange that, during the past decade, when Donald Judd's sculpture has been such an influence on architects (especially the Swiss), his terse, trenchant writings have remained out of print.
Donald Judd: Early Work 1955-1968 (Walther König, £19.95) partly rectifies that by including one of Judd's most significant essays, 'Specific Objects' (1964), based on the premise that painting in early '60s America had reached a dead end and that the future lay in three-dimensional work. Judd probably saw his own career as the QED of that proposition. The last few works in this elegant book are typically Judd, but the paintings and sculptures that precede them are much less familiar, and vividly convey the sense of an artist trying to find his way. No doubt some will feature in the Judd retrospective that Tate Modern is planning for 2004.