I have two exceptionally lovely picture books here this week, they are both from writer/illustrators, and they both have their protagonists looking down from a window to commence.  Without further ado, here are my reviews. A River by Marc Martin The river slinks, aqua and serpentine through the city, as a child looks down from her window and imagines floating away in a silver boat, wondering where she would end up.  In her imagination she flows with the river beyond the choke of cars and industry, to a patchwork of fields beyond, and then hills and valleys, down great waterfalls to a jungle verdant with life, and finally to an ocean teeming with fish and colour, through the dark night that storms in a…