A sea siren of infinite paradoxes, where the waves of time crash against the shores of sanity.
Warning: time travel is not recommended. In fact, it's forbidden. But we can't stop you, can we?
Time Traveler's Brief Guide (for those who insist on ignoring the warning)
The sirens are singing, but not in the classical sense. More like... mathematically.
Mathematical Sirens (because even sea sirens need a little harmony in their lives)