Library returns without loose corners
Measure the books as a stack, not one title at a time, and protect their edges from weather.
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Measure the books as a stack, not one title at a time, and protect their edges from weather.

Begin with the real constraint
Measure the books as a stack, not one title at a time, and protect their edges from weather. The aim is a small setup you can actually complete, not a larger collection of equipment. Lay out what you already have and notice the step that creates friction before changing anything.
Check the fit before going further
Check that nothing can shift toward a wheel or interfere with steering. Conditions and specifications vary, so treat this as a question to verify with the relevant maker, venue or source when it applies. A quick trial with the actual objects is more useful than a promise based on a photograph.
Finish where the next session begins
At the stop, plan how the books leave the bicycle without a balancing act. Take a moment to check that the result is accessible, safe for your situation and simple to repeat. If it still feels cumbersome, reduce the scope before adding a new purchase.

