O Level Math, Chemistry and Comprehension Assessments in Kampong Arang Road, East Singapore for sale

All assessment books are relatively new with no marks or stains. The Malay-english-malay dictionary is slightly creased at the edge but in good condition.
Shinglee Mathematics 4 6th edition textbook $12
Panpac additional mathematics (marshall Cavendish) $10
Shinglee mathematics workbook 3 with CD $7
SAP Education O lvl Science Qualitative Analysis (Sci Chem Paper 5) 2002-2011 $5
Shinglee Additional Mathematics workbook with CD $7
Shinglee mathematics Workbook 4 $10
Shinglee Mathematics 4 6th edition textbook $12
EPH Excel in O Level Comprehension $5
Longman O Level Study Smart Add. Math Geometry and Trigonometry ($9.20) $7
EPH O Level Chemistry Guide ($15.95) $12
EPH O Level Distinction for Chemistry ($16.90) $12
Shinglee Add Math By Topic + solutions 2003-2012 ($6.50) $5
Longman O Level Study Smart Add. Math Algebra ($8.90) $6.50
Pelanduk English-Malay-English Dictionary $8