Night Elf Posted May 24, 2017 Share Posted May 24, 2017 It had a light blue cover. It was fun supplemental math like logic problems. And somewhere in the title a word or the author started with Zac. I think there were two books for different age groups. Quote Link to comment Share on other sites More sharing options...
zoobie Posted May 24, 2017 Share Posted May 24, 2017 Challenge Math by Edward Zaccaro 2 Quote Link to comment Share on other sites More sharing options...
Night Elf Posted May 24, 2017 Author Share Posted May 24, 2017 Yes! Thank you! Quote Link to comment Share on other sites More sharing options...
Guest Posted May 24, 2017 Share Posted May 24, 2017 I love this board. Someone always knows something and together we pretty much know everything and should probably rule the world. Quote Link to comment Share on other sites More sharing options...
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