City of Bones (Mortal Instruments series) by Cassandra Clare
Clary witnesses a murder at the all-ages nightclub Pandemonium. The perpetrators seem invisible to everyone else and the body vanishes into thin air. She has witnessed a clash between ancient enemies, between a demon and Shadowhunters, and now her life will never be the same.
Tomorrow When the War Began (Tomorrow series) by John Marsden
Ellie and her friends head off for a week camping in the Australian bush, none of them suspecting that when they return their homes will be empty and their families imprisoned by hostile invaders. They have three choices: surrender, run back into the wilderness and hide or fight to save their families and their way of life.
Claws by Mike & Rachel Grinti (Fantasy):
Emma's sister is lost to the fairies, her parents have spent all their money following any lead to find her. Now forced to live in the least desirable part of town, her parents still desperate to find her sister, Emma meets Jack, a down on his luck cat who says he knows exactly how Emma can find her sister and reunite her family.
Freedom Merchants by Sherryl Jordan (Historical/Adventure):
Liam lives in a small Irish village. It's 1615 and like many coastal villages of the time they live in fear of slave raids by Barbary Coast pirates. When his brother is taken in a raid Liam hopes that with the help of local monks they can bargain for the return of the villagers. But first they must cross the treacherous, pirate infested waters before they can begin their search.
Maleficent Seven (Skulduggery Pleasant spin-off) by Derek Landy
Not for the faint hearted this is Tanith Low at her best, and worst! Tanith is desperate for Darquesse to win the coming battle and bring an end to the world. With a hand picked team she sets out to collect the four God-killer weapons together and aid her cause, but she doesn't have it all her own way as another team, the good guys, are out to find them first.