- Seeking Solutions (Enrichment Series, Volume 17) 
 - Juega con las matematicas 2/ Play with math: Pensamiento Matematico Basado En Competencias/ Mathematical Thinking Based in Competitions (Spanish Edition) by Angeles Rossbach P.,  2008-04-29
 - Juega con las matematicas 3/ Play with math: Pensamiento Matematico Basado En Competencias/ Mathematical Thinking Based in Competitions (Spanish Edition) by Angeles Rossbach P.,  2008-04-29
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 - Competition: Webster's Timeline History, 2004 - 2007 by Icon Group International,  2009-07-10
 - Competition: Webster's Timeline History, 1968 - 1985 by Icon Group International,  2009-07-10
 - Competition: Webster's Timeline History, 1986 - 1993 by Icon Group International,  2009-07-10
 - Competition: Webster's Timeline History, 1994 - 1999 by Icon Group International,  2009-07-10
 - Competition: Webster's Timeline History, 2000 - 2003 by Icon Group International,  2009-07-10
 - Competition: Webster's Timeline History, 595 BC - 1967 by Icon Group International,  2009-07-10
 - Introducing Gifted Students to the Wonders of Mathematics: Preparation for High School and Higher Mathematics, Grades 4-8 by Francis T. Sganga,  2004-12
 - Super Survivors (Amazing Nature) 
 - Australian Mathematical Olympiads 1979-1995 (Enrichment Series, 12) 
 - AIEEE Mathematics by Sura Books,  2007-04-30
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