The Night Sky Dark Matter Notebook thermal or you can flip it

or you can flip it around and wear it with the cardiac rhythms on the outside for all the world to see

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Sip your way back through the layers of geologic history with this stratigraphy-inspired drinking glass

This notebook features alternating dotted lines and blank sketchbook pages so you can take beautifully organized notes and still have space to sketch or draw

The Night Sky Dark Matter Notebook thermal or you can flip itA map to the heavens marks the pinpoints of light in the night sky. Let it guide your way through the night sky and beyond. Each cover in the Dark Matter series celebrates the beauty found in darkness and the scenes made by the faintest light. Let your creativity run wild in the black pages of this The Night Sky Notebook. This extra thick 120 gsm black paper works great with gel pens (for the brightest colors, look for ones that are formulated to work