DragonflyAcademy Posted December 1, 2016 Share Posted December 1, 2016 We just discovered this series and I noticed that the last update on their lower elementary program was made in 2012 and that there are just the two books (rainbow and spectrum) what happened? Did the author decide not to continue the series for physics and biology? thanks Quote Link to comment Share on other sites More sharing options...
RootAnn Posted December 1, 2016 Share Posted December 1, 2016 They are probably working on something else, but I wouldn't count on anything except maybe for grandkids. There is physics and bio in Rainbow. (We didn't use the bio!!!) Quote Link to comment Share on other sites More sharing options...
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