Laser Focus World is an industry bedrock—first published in 1965 and still going strong. We publish original articles about cutting-edge advances in lasers, optics, photonics, sensors, and quantum technologies, as well as test and measurement, and the shift currently underway to usher in the photonic integrated circuits, optical interconnects, and copackaged electronics and photonics to deliver the speed and efficiency essential for data centers of the future.

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Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
  • Ruti Ben-Shlomi, Ph.D., LightSolver
  • James Butler, Ph.D., Hamamatsu
  • Natalie Fardian-Melamed, Ph.D., Columbia University
  • Justin Sigley, Ph.D., AmeriCOM
  • Professor Birgit Stiller, Max Planck Institute for the Science of Light, and Leibniz University of Hannover
  • Professor Stephen Sweeney, University of Glasgow
  • Mohan Wang, Ph.D., University of Oxford
  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

When the Forest Found Its Voice – The Cricket and the Frog Celebrates Music, Friendship, and Bravery


Maryland Heights, Missouri – In a world where animals sing, flutter, hoot, and hiss, a cricket with a violin and a frog with a dream create something unforgettable. The Cricket and the Frog (available now on Amazon), a heartwarming children’s book by Donald C. Robertson Sr., invites readers into a woodland symphony of music, courage, and unlikely friendships.

At the heart of the story is Marvin, a frog who longs to conduct a grand orchestra. His search for sound leads him to Dana, a cricket whose solo performances echo through the night. Together, they bring together the forest’s most unique voices—owls, bats, raccoons, nightjars, and even a gentle skunk—to form a one-of-a-kind choir.

But the magic of music is threatened by danger lurking in the shadows. Willie, a hungry and cunning coyote, sees the concert not as a performance but as a feast. What unfolds is a tale of quick thinking, unity, and the power of community. When every voice comes together, even the darkest threat can be turned away.

The story ends not just with applause, but with transformation. A villain becomes a friend. An orchestra becomes a family. And a dream becomes something more.

Filled with bright scenes, endearing characters, and moments of laughter and suspense, The Cricket and the Frog offers more than just entertainment. It reflects the strength found in diversity, the importance of believing in one’s gifts, and the beauty of redemption. Parents, teachers, and young readers alike will find joy in this uplifting woodland adventure. Copies are available through Amazon.

About the Author

Donald C. Robertson Sr., M.Ed., B.A., brings years of educational experience and storytelling talent to this imaginative tale. His writing gently guides children through big ideas like leadership, empathy, and teamwork—wrapped in a fun, forest adventure. Learn more about Donald and his work at dcrbooksinc.com. The Cricket and the Frog can be purchased directly from Amazon.



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