Suggest me the best Islamic books or lectures to boost Iman

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Assalamu Alaikum,
I’ve been feeling a dip in my Iman and want to reconnect with my faith. Can anyone recommend some good Islamic books or lectures that are inspiring and help strengthen Iman? I’m looking for something uplifting, easy to understand, and that brings me closer to Allah (SWT).

JazakAllahu Khair for your suggestions!