I just talked to Oxford and the Rubik's book is expected any moment now,
but is apparently not yet available (in the states, at least). The
fourth in the series (sliding piece puzzles) is expected to be available
in April or May.
ps, the number for phone orders is 201-796-8000 /b Bernie Cosell Internet: email@example.com Bolt, Beranek & Newman, Inc USENET: bbnccv!bpc Cambridge, MA 02238 Telco: (617) 497-3503