PositiveThe New ScientistCut off from their home worlds, Grace and Rocky have to use their ingenuity to learn how to communicate, in laborious trial-and-error fashion, at the same time as working out how to save the sun from impending doom. Their relationship lends this book much of its charm ... For me, there is perhaps a little too much Martian-style detail about how Grace solves the many engineering problems on his mission, but that didn’t stop me enjoying the tale.