With the daily tasks of life flying around your head, it can be easy to feel stressed and a little lost. Writing down your thoughts can help you think more clearly. These four notebooks should help you organize your cluttered mind throughout 2019—now with up to 31 percent off at the PopSci Shop.

Staying positive is an essential part of achieving your goals. This upbeat notebook starts your day with a positive message and provides space for you to write about the good things that happened yesterday. You can also use it to plan your day or make notes. Normally $30, the Journal is now $21.99.

Mindfulness is all about looking inward to block outside stress and think clearly. The Mindful Notebook helps you practice this state of mind every day. Each page contains a thought-provoking quote, and a Gratitude Patience section. In addition, you have plenty of space for notes, to-dos, and more. Right now, the notebook is 26 percent off at $21.99.

Packed full of mental techniques and tools, the Meditation Sidekick Journal can help you find inner peace. The Journal explains how your mind works and gives you space to record your journey into meditation. If you want to reduce your stress levels, this notebook can help you form calming habits. Normally $37.77, it’s now just $25.99.

What do most successful people have in common? They get off to a flying start every morning. This Journal helps you follow in their footsteps by creating a plan the night before. It’s not just a to-do list—the pages ask you to think about why certain tasks are important. You can grab it now for $24.99, saving 26 percent on the regular price.