John Latham 
Loyalty is the Strongest Glue [EPUB ebook] 

In this fast-moving thriller, mystery surrounds a tragic and life-changing event at Talaqui Academy. Eleven-year-old Luis Montero becomes embroiled in a dangerous web of intrigue as he searches for the truth about the attack on his school friend. Could it be that the criminal gang that terrorised his family two years earlier have returned to haunt him again? Loyalties are tested to the limit as, one by one, dark secrets emerge. Greed, revenge and love fight for supremacy as fate brings together the lives of strangers from different worlds and no-one is above suspicion.Loyalty Is The Strongest Glue is a gripping "whodunnit" that twists and turns its way across Colombia before building towards its page-turning climax.I