Electron and nuclear spins in molecules possess discrete quantum states that can be chemically tuned and coherently manipulated by means of external electromagnetic fields [1]. Magnetic molecules therefore provide a versatile and relatively simple platform for storing and processing quantum information. However, performance of useful quantum tasks requires significant numbers of quantum bits (qubits) with long coherence, and a reliable manner with which to integrate them into devices for implementation of quantum logic operations. This ‘scalability’ is arguably one of the challenges for which a bottom-up synthetic approach is best-suited. Molecules, being more versatile than isolated atoms or ions, and yet microscopic, are the quantum objects with the highest capacity to form ordered states at the nanoscale using chemical tools. After a general introduction, I will highlight work performed in my group at the Florida State University, with emphasis on the spin-orbital moments associated with lanthanide ions, whereby synthetic tuning of their molecular environment can give rise to so-called clock transitions (CTs) – avoided Zeeman level crossings that provide optimal operating points at which the electron spin dynamics decouple from the surrounding nuclear environment, leading to enhanced coherence [2]. Results of pulsed electron spin resonance measurements [2-4] and highfield continuous-wave EPR [5,6] will be presented for several contrasting molecular spin systems, illustrating the versatility of the molecular approach to quantum spin science.