Secondary School ‘KS4 (Key Stage 4) – ‘GCSE’ - Maths – Proportionality – Ages 14-16’ eBook    by Dr John Kelliher
Price: $2.99 USD. 770 words. Published on August 14, 2012. .
This eBook introduces the topic of proportionality, from developing the relationship between mathematical expressions and word sentences, describing mathematical relationships and exploring direct and inverse proportionality through expressions and graphical illustrations.

High (Secondary) School ‘Grades 9 & 10 - Math – Proportionality – Ages 14-16’ eBook    by Dr John Kelliher
Price: $2.99 USD. 770 words. Published on August 14, 2012. .
This eBook introduces the topic of proportionality, from developing the relationship between mathematical expressions and word sentences, describing mathematical relationships and exploring direct and inverse proportionality through expressions and graphical illustrations.

Israel's Right of Self-Defense: International Law and Gaza    by Jerusalem Center for Public Affairs
Price: $2.99 USD. 57410 words. Published on October 25, 2012. .
This volume provides a review of Israel's unprecedented consideration of questions of international law when forced to go to war to defend its civilian population from attack, with a particular focus on the Gaza war of 2008-2009. Israel gives more thought to upholding the laws of war during its military operations than any other nation in history.