If Only They Hadn't

The plot literally thickens as Kyla stumbles upon an idea. Could Denver's responses to her art work be more than just random? Could his reactions to the things in his environment actually be his way of telling her something? His only way of dropping clues. With Denver's health failing, Kyla is hot on the trail to unravelling what really happened to Denver the night of the near-fatal crash, when she stumbles upon something even more startling.
Something that implicates one of her classmates. Something that smells like murder.

IF ONLY THEY HADN'T, the 4th book in the 5 book serial IF ONLY.
A race against time to a startling conclusion. Does Kyla have the power to discover the answer?