Mark Twain - 100+ Science Experiments for School and Home, Grades 5 - 8 by CARSON DELLOSA English | January 3, 2012 | ISBN: 1580376185 | 131 pages | PDF | 28 Mb
Investigating Second Grade (Thinking Kids: The Mix-up Mystery) by Thinking Kids and Carson-Dellosa Publishing English | Feb 16, 2017 | ISBN: 1483834972 | 256 pages | PDF | 213 MB
Investigating Third Grade (The Library Looter) by Thinking Kids and Carson-Dellosa Publishing English | Feb 16, 2017 | ISBN: 1483834980 | 256 pages | PDF | 220 MB