Year One:Harry finds the sorcerer's stone accusing to which(might) belong to Tom Riddle(voldemort).

Year Two:Harry finds the chamber of secrets and(which) belongs to Tom Riddle(voldemort).

Year Three:Harry finds his new defence against the dark arts teacher is a werewolf and works for Harry's God father{which might be bad[or not(sirius black)]}

Year Four:Voldemort returns and the twiwizard cup is held.

Year Five:Dumbledore is being sent to Azkaban and beats Voldemort.

Year Six:Dumbledore is dead and finds out that Snape is the half-blood prince.

Year Seven:Harry fights Voldemort in the final battle! It's up to him to keep Dumbledore alive again!

Epilouge:19 years later:James and Lily(Harry's daugher and son) are attending to Hogwarts, the school for witchcraft and wizardry and Dumbledore is still alive!

                                        Based on the novel by J.K. Rowling

                            The person who read all the books first:anton836574

Saved me a whole lot of reading, you did. Cheers.