Year Million by Damien Broderick - 2008 - 330 pages
Yearbook by International Council of Scientific Unions - 1955
Ying han ker chi chang yon tsi whei - 1973 - 469 pages
Yorick's World by Peter Caws - 1993 - 393 pages
Young students learning library by Margaret Heinrich Hand - 1995 - 218 pages
Your science fair: an opportunity for youth by Arden F. Welte - 1962 - 161 pages
Youth's Manual of geography, combined with history and astronomy by James Monteith - 1856 - 112 pages