Unbound Ties by Liz Mistry is a worthy addition to the Gus McGuire series and is book 7. I have loved them all but this one is the best I think so far. We learn more about his Mum in this book too. Gus tears his hair out as he finds out all the secrets she has kept from earlier in her life, but he is so like his Mum in that respect. You want to give them all a big hug. I love the way the characters have developed through the series – a great lot of characters. Covid is mentioned in passing but it didn’t play a big part in the story, it was just there and fitted in well. A gripping and tense storyline. I loved it and highly recommend it. ( )