Ann Turnbull 
No Friend of Mine [PDF ebook] 

Class conflict and a personal battle for understanding and acceptance are explored in this thought-provoking novel, set in 1937."Us two have to stick together. Against fathers. And families." In the mining town of Culverton, workers are clashing with their bosses. Lennie’s father is the Union secretary, a "troublemaker". Ralph’s father is the boss, despised by his workers. Despite their very different backgrounds, Lennie and Ralph strike up a friendship, a happy escape from their own and their families‘ troubles. But how strong is their alliance – really? While his dad fights injustice at the mine, Lennie finds that he too must battle prejudice, lies and betrayal, pushing his friendship with Ralph swiftly towards breaking point…